What is the Greatest Common Factor of 61243 and 61256?

Greatest common factor (GCF) of 61243 and 61256 is 13.

GCF(61243,61256) = 13

We will now calculate the prime factors of 61243 and 61256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61243 and 61256.

How to find the GCF of 61243 and 61256?

We will first find the prime factorization of 61243 and 61256. After we will calculate the factors of 61243 and 61256 and find the biggest common factor number .

Step-1: Prime Factorization of 61243

Prime factors of 61243 are 7, 13, 673. Prime factorization of 61243 in exponential form is:

61243 = 7¹ × 13¹ × 673¹

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 61243

List of positive integer factors of 61243 that divides 61243 without a remainder.

1, 7, 13, 91, 673, 4711, 8749

Step-4: Factors of 61256

List of positive integer factors of 61256 that divides 61243 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 61243 and 61256. The biggest common factor number is the GCF number.
So the greatest common factor 61243 and 61256 is 13.

Also check out the Least Common Multiple of 61243 and 61256