What is the greatest common factor of 4 and 10?

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Multiple Choice

What is the greatest common factor of 4 and 10?

Explanation:
The greatest common factor is the largest number that divides both numbers evenly. For 4 and 10, you can look at their divisors: 4 has 1, 2, and 4; 10 has 1, 2, 5, and 10. The common divisors are 1 and 2, and 2 is the biggest, so the greatest common factor is 2. You can also see this from prime factorizations: 4 = 2^2 and 10 = 2 × 5 share the factor 2, which gives the GCF as 2.

The greatest common factor is the largest number that divides both numbers evenly. For 4 and 10, you can look at their divisors: 4 has 1, 2, and 4; 10 has 1, 2, 5, and 10. The common divisors are 1 and 2, and 2 is the biggest, so the greatest common factor is 2. You can also see this from prime factorizations: 4 = 2^2 and 10 = 2 × 5 share the factor 2, which gives the GCF as 2.

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