What is the Greatest Common Factor of 61240 and 61256?

Greatest common factor (GCF) of 61240 and 61256 is 8.

GCF(61240,61256) = 8

We will now calculate the prime factors of 61240 and 61256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61240 and 61256.

How to find the GCF of 61240 and 61256?

We will first find the prime factorization of 61240 and 61256. After we will calculate the factors of 61240 and 61256 and find the biggest common factor number .

Step-1: Prime Factorization of 61240

Prime factors of 61240 are 2, 5, 1531. Prime factorization of 61240 in exponential form is:

61240 = 2³ × 5¹ × 1531¹

Step-2: Prime Factorization of 61256

Prime factors of 61256 are 2, 13, 19, 31. Prime factorization of 61256 in exponential form is:

61256 = 2³ × 13¹ × 19¹ × 31¹

Step-3: Factors of 61240

List of positive integer factors of 61240 that divides 61240 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1531, 3062, 6124, 7655, 12248, 15310, 30620

Step-4: Factors of 61256

List of positive integer factors of 61256 that divides 61240 without a remainder.

1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 4712, 7657, 15314, 30628

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61240 and 61256. The biggest common factor number is the GCF number.
So the greatest common factor 61240 and 61256 is 8.

Also check out the Least Common Multiple of 61240 and 61256