diff --git a/math/Makefile b/math/Makefile
index 4c7c6e63c47b..6e8b53068a4f 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -71,6 +71,7 @@
     SUBDIR += matrix
     SUBDIR += maxima
     SUBDIR += metis
+    SUBDIR += mprime
     SUBDIR += mtl
     SUBDIR += mtrxmath
     SUBDIR += mupad
diff --git a/math/mprime/Makefile b/math/mprime/Makefile
new file mode 100644
index 000000000000..4edb70521a80
--- /dev/null
+++ b/math/mprime/Makefile
@@ -0,0 +1,66 @@
+# New ports collection makefile for:	mprime aka prime95
+# Date created:				Tue Apr 29 03:11:28 UTC 2003
+# Whom:                 Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	mprime
+PORTVERSION=	0.0.${SOURCE_VERSION}
+CATEGORIES=	math benchmarks
+MASTER_SITES=	ftp://mersenne.org/gimps/ \
+		${MASTER_SITE_LOCAL:S/$/:local/}
+MASTER_SITE_SUBDIR=	lioux/:local
+DISTFILES=	source${PORTVERSION:S/^0.0.//:R}.zip \
+		prime95-text-${TEXT_DATE}-${SOURCE_VERSION}.tar.bz2:local
+DIST_SUBDIR=	${PORTNAME}
+EXTRACT_ONLY=
+
+MAINTAINER=	lioux@FreeBSD.org
+COMMENT=	mersenne.org distributed Great Internet Mersenne Prime Search
+
+ONLY_FOR_ARCHS=	i386
+USE_REINPLACE=	yes
+USE_ZIP=	yes
+USE_BZIP2=	yes
+USE_GMAKE=	yes
+WRKSRC=		${WRKDIR}/linux
+MAKEFILE=	makebsd
+ALL_TARGET=	clean mprime
+
+# source code version
+SOURCE_VERSION=	22.12
+# document date version
+TEXT_DATE=	2003042900
+
+post-extract:
+	@cd ${WRKDIR} && ${LOCALBASE}/bin/unzip -qq \
+		${DISTDIR}/${DIST_SUBDIR}/source${PORTVERSION:S/^0.0.//:R}.zip
+	@cd ${WRKDIR} && ${TAR} -xjf \
+		${DISTDIR}/${DIST_SUBDIR}/prime95-text-${TEXT_DATE}-${SOURCE_VERSION}.tar.bz2
+
+post-patch:
+	@${REINPLACE_CMD} -E \
+		-e 's|
||' \
+		-e 's|^(CC).*$$|\1=${CC}|' \
+		-e 's|^(CFLAGS)[[:space:]]*=|\1+=|' \
+		-e 's|^(CFLAGS.*)-m486|\1|' \
+		-e 's|^(CFLAGS.*)-O2|\1|' \
+		${WRKSRC}/makebsd
+# prepare wrapper
+	@${SED} \
+		-e 's|%%PREFIX%%|${PREFIX}|' ${FILESDIR}/wrapper.sh > \
+		${WRKDIR}/wrapper.sh
+
+do-install:
+	@${INSTALL_PROGRAM} ${WRKSRC}/mprime ${PREFIX}/bin/mprime-real
+	@${INSTALL_SCRIPT} ${WRKDIR}/wrapper.sh ${PREFIX}/bin/mprime
+.ifndef(NOPORTDOCS)
+	@${MKDIR} ${DOCSDIR}${PKGNAMESUFFIX}
+	@${INSTALL_DATA} ${WRKDIR}/*.txt ${DOCSDIR}${PKGNAMESUFFIX}
+.endif
+
+post-install:
+	@${SED} -e 's|/usr/local/|${PREFIX}/|' ${PKGMESSAGE}
+
+.include <bsd.port.mk>
diff --git a/math/mprime/distinfo b/math/mprime/distinfo
new file mode 100644
index 000000000000..d466923d372f
--- /dev/null
+++ b/math/mprime/distinfo
@@ -0,0 +1,2 @@
+MD5 (mprime/source22.zip) = 4ac3d4fcb6219b4a25968bb17def217e
+MD5 (mprime/prime95-text-2003042900-22.12.tar.bz2) = 8488a53735577fe0a2b181fe76724ec4
diff --git a/math/mprime/files/wrapper.sh b/math/mprime/files/wrapper.sh
new file mode 100644
index 000000000000..3276091dc060
--- /dev/null
+++ b/math/mprime/files/wrapper.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+PREFIX="%%PREFIX%%"
+PROGRAM="${0}"
+DIRNAME=${HOME}/.mprime
+
+if [ ! -d ${DIRNAME} ]
+then
+	mkdir -p ${DIRNAME}
+fi
+
+if [ ! -h ${DIRNAME}/${PROGRAM##*/} ]
+then
+	ln -sf ${PREFIX}/bin/${PROGRAM##*/}-real ${DIRNAME}/${PROGRAM##*/}
+fi
+
+echo " ${*} " | grep " \-createdironly " ||
+{
+	cd ${DIRNAME} &&
+	echo Running under ${DIRNAME} &&
+	exec ./${PROGRAM##*/} "${@}" ||
+	echo PROBLEM. Cannot create directory ${DIRNAME}, make sure you have the proper permissions to create it and try again
+}
diff --git a/math/mprime/pkg-descr b/math/mprime/pkg-descr
new file mode 100644
index 000000000000..d26307ea6217
--- /dev/null
+++ b/math/mprime/pkg-descr
@@ -0,0 +1,15 @@
+[ excerpt from developer's www site ]
+
+This is the mersenne.org's client.
+
+Welcome to the Great Internet Mersenne Prime Search!
+
+To use this program you must agree to the prize rules at
+http://www.mersenne.org/prize.htm
+
+In case you ever forget, the URL is http://www.mersenne.org/prime.htm.
+The author's email address is woltman@alum.mit.edu. For networking
+questions, contact Scott Kurowski's technical support team at
+primenet@entropia.com.
+
+WWW: http://www.mersenne.org/
diff --git a/math/mprime/pkg-message b/math/mprime/pkg-message
new file mode 100644
index 000000000000..3c0c8b1aed04
--- /dev/null
+++ b/math/mprime/pkg-message
@@ -0,0 +1,10 @@
+	ATTENTIONATTENTION:
+
+Please, make sure that you read
+/usr/local/share/doc/mprime/license.txt
+and agree to the licensing terms before running this application.
+
+Furthermore, read
+/usr/local/share/doc/mprime/readme.txt
+It contains important information about both configuring and running
+mprime.  You will have problems running it if you do not read it.
diff --git a/math/mprime/pkg-plist b/math/mprime/pkg-plist
new file mode 100644
index 000000000000..74d640e2b1ad
--- /dev/null
+++ b/math/mprime/pkg-plist
@@ -0,0 +1,8 @@
+bin/mprime
+bin/mprime-real
+%%PORTDOCS%%%%DOCSDIR%%/license.txt
+%%PORTDOCS%%%%DOCSDIR%%/readme.txt
+%%PORTDOCS%%%%DOCSDIR%%/stress.txt
+%%PORTDOCS%%%%DOCSDIR%%/undoc.txt
+%%PORTDOCS%%%%DOCSDIR%%/whatsnew.txt
+%%PORTDOCS%%@dirrm %%DOCSDIR%%