What is the Greatest Common Factor of 7478 and 7490?

Greatest common factor (GCF) of 7478 and 7490 is 2.

GCF(7478,7490) = 2

We will now calculate the prime factors of 7478 and 7490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7478 and 7490.

How to find the GCF of 7478 and 7490?

We will first find the prime factorization of 7478 and 7490. After we will calculate the factors of 7478 and 7490 and find the biggest common factor number .

Step-1: Prime Factorization of 7478

Prime factors of 7478 are 2, 3739. Prime factorization of 7478 in exponential form is:

7478 = 2¹ × 3739¹

Step-2: Prime Factorization of 7490

Prime factors of 7490 are 2, 5, 7, 107. Prime factorization of 7490 in exponential form is:

7490 = 2¹ × 5¹ × 7¹ × 107¹

Step-3: Factors of 7478

List of positive integer factors of 7478 that divides 7478 without a remainder.

1, 2, 3739

Step-4: Factors of 7490

List of positive integer factors of 7490 that divides 7478 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7478 and 7490. The biggest common factor number is the GCF number.
So the greatest common factor 7478 and 7490 is 2.

Also check out the Least Common Multiple of 7478 and 7490