math help plzzz??? =]]?

1.)prime factorization of 31

2.)use prime factorization to find the GCF of each sett of numbers…16 and 56…84 and 126..72 and 117

Top 1 Answers

A few days ago

Anonymous

Favorite Answer

31 is a prime number.

16 (1,2,4,8,16)

54 (1,2,3,6,9,18,27,54)

GCF: 2

84 (1,2,3,4,6,7,9,14,21,28,42,84)

126 (1,2,3,6,7,9,14,18,21, 42,63,126)

GCF: 42

72 (1,2,3,4,6,8,9,12,18,24,36,72)

117 (1,3,9,13,39, 117)

GCF: 9

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