What is the Greatest Common Factor of 63518 and 63531?

Greatest common factor (GCF) of 63518 and 63531 is 13.

GCF(63518,63531) = 13

We will now calculate the prime factors of 63518 and 63531, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63518 and 63531.

How to find the GCF of 63518 and 63531?

We will first find the prime factorization of 63518 and 63531. After we will calculate the factors of 63518 and 63531 and find the biggest common factor number .

Step-1: Prime Factorization of 63518

Prime factors of 63518 are 2, 7, 13, 349. Prime factorization of 63518 in exponential form is:

63518 = 2¹ × 7¹ × 13¹ × 349¹

Step-2: Prime Factorization of 63531

Prime factors of 63531 are 3, 13, 181. Prime factorization of 63531 in exponential form is:

63531 = 3³ × 13¹ × 181¹

Step-3: Factors of 63518

List of positive integer factors of 63518 that divides 63518 without a remainder.

1, 2, 7, 13, 14, 26, 91, 182, 349, 698, 2443, 4537, 4886, 9074, 31759

Step-4: Factors of 63531

List of positive integer factors of 63531 that divides 63518 without a remainder.

1, 3, 9, 13, 27, 39, 117, 181, 351, 543, 1629, 2353, 4887, 7059, 21177

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63518 and 63531. The biggest common factor number is the GCF number.
So the greatest common factor 63518 and 63531 is 13.

Also check out the Least Common Multiple of 63518 and 63531