Q: What is the GCF of 2 5 and 7?

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The GCF is 1.

10 = 2 x 5 20 = 2 x 2 x 5 35 = 5 x 7 GCF = 5

140 = 2 x 70 = 2 x 5 x 14 = 2 x 2 x 5 x 7; 7 is the gcf.

2 x 5 x 7 = 703 x 5 x 7 = 105Select the common factors.5 x 7 = 35, the GCF

GCF of 35, 49, 5635 = 5 x 749 = 7 x 756 = 2 x 2 x 2 x 7The GCF = 7

2 x 2 x 5 = 20 5 x 7 = 35 The GCF is 5.

You can't. You need at least two numbers to find a GCF.

5 x 7 = 35 2 x 2 x 2 x 7 = 56 The GCF is 7.

5 x 7 = 35 2 x 2 x 2 x 7 = 56 The GCF is 7.

75 = 3 x 5 x 5 140 = 2 x 2 x 5 x 7. GCF is thus 5.

The GCF is 2^3 x 5.

The systematic way to get the answer is: 90 = 2*3*3*5 210 = 2*3*5*7 So gcf is 2*3*5 = 30