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Ahat [919]
3 years ago
14

What is the GCF of 42 and 90

Mathematics
2 answers:
ozzi3 years ago
8 0
The answer is 6. hope this helps
TiliK225 [7]3 years ago
7 0
GCF of 42 and 90

a simple way to find the GCF is to decompose 42 & 90 into appropriate factors:

42 = 2 x 3 x 7  & 90 = 2 x 3² x 5

What is the GCF of the above: It's the product of COMMON FACTORS raised at the smallest power:

COMMON FACTOR are 2 x 3 (these are the COMMON raised to the smallest power. Notice I disregarded 3²) so the GCF = 2 x 3 = 6
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