01131agm a2200313u 4500 996507880102311 20260227104102.0 g--c-bfj 781004s1978 xxu041 e 0sneng c 78720238 /F (TU)000650788UTK01 683900 (OCoLC)05644025 Center for Humanitites DLC m.c. TKN TKNN QA161.F3 QA107.C6 pt.4 Factors. [slide] / Harper & Row, Publishers, inc. White Plains, N.Y. : Center for Humanities, 1978. 41 slides : col. ; 2x2 in. & cassette (1/2-track. mono. 32 min.), teacher's guide, and worksheet. Competency skills in arithmetic ; module 4 "The skills group." Also issued with sound accompaniment on disc. Topics covered include prime and composite numbers, prime factors, divisibility tests, greatest common multiple, and least common denominator. Factors (Algebra) Numbers, Prime. Harper & Row, Publishers. primo 383 383