What is the Greatest Common Factor of 71238 and 71247?

Greatest common factor (GCF) of 71238 and 71247 is 3.

GCF(71238,71247) = 3

We will now calculate the prime factors of 71238 and 71247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71238 and 71247.

How to find the GCF of 71238 and 71247?

We will first find the prime factorization of 71238 and 71247. After we will calculate the factors of 71238 and 71247 and find the biggest common factor number .

Step-1: Prime Factorization of 71238

Prime factors of 71238 are 2, 3, 31, 383. Prime factorization of 71238 in exponential form is:

71238 = 2¹ × 3¹ × 31¹ × 383¹

Step-2: Prime Factorization of 71247

Prime factors of 71247 are 3, 11, 17, 127. Prime factorization of 71247 in exponential form is:

71247 = 3¹ × 11¹ × 17¹ × 127¹

Step-3: Factors of 71238

List of positive integer factors of 71238 that divides 71238 without a remainder.

1, 2, 3, 6, 31, 62, 93, 186, 383, 766, 1149, 2298, 11873, 23746, 35619

Step-4: Factors of 71247

List of positive integer factors of 71247 that divides 71238 without a remainder.

1, 3, 11, 17, 33, 51, 127, 187, 381, 561, 1397, 2159, 4191, 6477, 23749

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71238 and 71247. The biggest common factor number is the GCF number.
So the greatest common factor 71238 and 71247 is 3.

Also check out the Least Common Multiple of 71238 and 71247