GCF and LCM of Integers and Monomials Draw a factor tree for each term. Then, use the least number of each prime factor that appears.
in one of your factorizations to build the GCF. 1) 528, 704, 176 2) 434, 868, 651
3) 267, 623, 801 4) 336, 648, 816
5) 342n, 684n, 513n 6) 342a, 570b, 228
7) 273x
2
, 156x, 429x
2 8) 270m
3n, 360m
2n, 810mn
Draw a factor tree for each term. Then, use the greatest number of each prime factor that
appears in one of your factorizations to build the LCM. 9) 30, 63, 12 10) 60, 28, 46
11) 80, 72, 64 12) 92, 46, 69
13) 51a
2b, 36b
2
, 33a
2b 14) 35a
2
, 55ab, 30
15) 84y, 84x
2y, 42xy
2 16) 46b, 46, 92a