What is the Greatest Common Factor of 71857 and 71868?

Greatest common factor (GCF) of 71857 and 71868 is 1.

GCF(71857,71868) = 1

We will now calculate the prime factors of 71857 and 71868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71857 and 71868.

How to find the GCF of 71857 and 71868?

We will first find the prime factorization of 71857 and 71868. After we will calculate the factors of 71857 and 71868 and find the biggest common factor number .

Step-1: Prime Factorization of 71857

Prime factors of 71857 are 181, 397. Prime factorization of 71857 in exponential form is:

71857 = 181¹ × 397¹

Step-2: Prime Factorization of 71868

Prime factors of 71868 are 2, 3, 53, 113. Prime factorization of 71868 in exponential form is:

71868 = 2² × 3¹ × 53¹ × 113¹

Step-3: Factors of 71857

List of positive integer factors of 71857 that divides 71857 without a remainder.

1, 181, 397

Step-4: Factors of 71868

List of positive integer factors of 71868 that divides 71857 without a remainder.

1, 2, 3, 4, 6, 12, 53, 106, 113, 159, 212, 226, 318, 339, 452, 636, 678, 1356, 5989, 11978, 17967, 23956, 35934

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71857 and 71868. The biggest common factor number is the GCF number.
So the greatest common factor 71857 and 71868 is 1.

Also check out the Least Common Multiple of 71857 and 71868