Factors/Multiples
Re-write by factoring out the GCF:
15 + 20
5(3+4)
what is the greatest common factor of 56=55 5555
noting
Jill is buying AA batteries and D batteries. The store sells AA batteries in packs of 6 and D batteries in packs of 9. If Jill wishes to buy the same number of AA and D batteries, what is the smallest number of each battery type that she can buy?
18 batteries
Re-write by factoring out the GCF:
12 + 24
12 ( 1+2)
Re-write by factoring out the GCF:
33 + 77
11(3+7)
What is the least common multiple of 6 and 9?
18
Re-write by factoring out the GCF:
21 + 49
7 (3+7)
Re-Write by factoring out the GCF:
48 + 72
24 (2+3)