What is the Greatest Common Factor of 61840 and 61856?

Greatest common factor (GCF) of 61840 and 61856 is 16.

GCF(61840,61856) = 16

We will now calculate the prime factors of 61840 and 61856, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61840 and 61856.

How to find the GCF of 61840 and 61856?

We will first find the prime factorization of 61840 and 61856. After we will calculate the factors of 61840 and 61856 and find the biggest common factor number .

Step-1: Prime Factorization of 61840

Prime factors of 61840 are 2, 5, 773. Prime factorization of 61840 in exponential form is:

61840 = 2⁴ × 5¹ × 773¹

Step-2: Prime Factorization of 61856

Prime factors of 61856 are 2, 1933. Prime factorization of 61856 in exponential form is:

61856 = 2⁵ × 1933¹

Step-3: Factors of 61840

List of positive integer factors of 61840 that divides 61840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 773, 1546, 3092, 3865, 6184, 7730, 12368, 15460, 30920

Step-4: Factors of 61856

List of positive integer factors of 61856 that divides 61840 without a remainder.

1, 2, 4, 8, 16, 32, 1933, 3866, 7732, 15464, 30928

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61840 and 61856. The biggest common factor number is the GCF number.
So the greatest common factor 61840 and 61856 is 16.

Also check out the Least Common Multiple of 61840 and 61856