What is the Greatest Common Factor of 87845 and 87856?

Greatest common factor (GCF) of 87845 and 87856 is 1.

GCF(87845,87856) = 1

We will now calculate the prime factors of 87845 and 87856, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87845 and 87856.

How to find the GCF of 87845 and 87856?

We will first find the prime factorization of 87845 and 87856. After we will calculate the factors of 87845 and 87856 and find the biggest common factor number .

Step-1: Prime Factorization of 87845

Prime factors of 87845 are 5, 17569. Prime factorization of 87845 in exponential form is:

87845 = 5¹ × 17569¹

Step-2: Prime Factorization of 87856

Prime factors of 87856 are 2, 17, 19. Prime factorization of 87856 in exponential form is:

87856 = 2⁴ × 17² × 19¹

Step-3: Factors of 87845

List of positive integer factors of 87845 that divides 87845 without a remainder.

1, 5, 17569

Step-4: Factors of 87856

List of positive integer factors of 87856 that divides 87845 without a remainder.

1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 289, 304, 323, 578, 646, 1156, 1292, 2312, 2584, 4624, 5168, 5491, 10982, 21964, 43928

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87845 and 87856. The biggest common factor number is the GCF number.
So the greatest common factor 87845 and 87856 is 1.

Also check out the Least Common Multiple of 87845 and 87856