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13 October, 10:36
What is the gcf of 42 and 70.?
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Shyla Nguyen
13 October, 10:44
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The largest number that divides evenly into both 42 and 70 is 7.
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Princess Austin
13 October, 10:47
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To find the GCF, you need to list prime numbers that can multiply into 42 and 70.
42 - 7 * 2 * 3
70 - 7 * 2 * 5
So, the GCF, or Greatest Common Factor, of 42 and 70 is (7 * 2), since you can use the prime numbers 7 and 2 in both of their factor lists.
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