What is the Greatest Common Factor of 63470 and 63490?

Greatest common factor (GCF) of 63470 and 63490 is 10.

GCF(63470,63490) = 10

We will now calculate the prime factors of 63470 and 63490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63470 and 63490.

How to find the GCF of 63470 and 63490?

We will first find the prime factorization of 63470 and 63490. After we will calculate the factors of 63470 and 63490 and find the biggest common factor number .

Step-1: Prime Factorization of 63470

Prime factors of 63470 are 2, 5, 11, 577. Prime factorization of 63470 in exponential form is:

63470 = 2¹ × 5¹ × 11¹ × 577¹

Step-2: Prime Factorization of 63490

Prime factors of 63490 are 2, 5, 7, 907. Prime factorization of 63490 in exponential form is:

63490 = 2¹ × 5¹ × 7¹ × 907¹

Step-3: Factors of 63470

List of positive integer factors of 63470 that divides 63470 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 577, 1154, 2885, 5770, 6347, 12694, 31735

Step-4: Factors of 63490

List of positive integer factors of 63490 that divides 63470 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 907, 1814, 4535, 6349, 9070, 12698, 31745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63470 and 63490. The biggest common factor number is the GCF number.
So the greatest common factor 63470 and 63490 is 10.

Also check out the Least Common Multiple of 63470 and 63490