What is the Greatest Common Factor of 71115 and 71121?

Greatest common factor (GCF) of 71115 and 71121 is 3.

GCF(71115,71121) = 3

We will now calculate the prime factors of 71115 and 71121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71115 and 71121.

How to find the GCF of 71115 and 71121?

We will first find the prime factorization of 71115 and 71121. After we will calculate the factors of 71115 and 71121 and find the biggest common factor number .

Step-1: Prime Factorization of 71115

Prime factors of 71115 are 3, 5, 11, 431. Prime factorization of 71115 in exponential form is:

71115 = 3¹ × 5¹ × 11¹ × 431¹

Step-2: Prime Factorization of 71121

Prime factors of 71121 are 3, 151, 157. Prime factorization of 71121 in exponential form is:

71121 = 3¹ × 151¹ × 157¹

Step-3: Factors of 71115

List of positive integer factors of 71115 that divides 71115 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 431, 1293, 2155, 4741, 6465, 14223, 23705

Step-4: Factors of 71121

List of positive integer factors of 71121 that divides 71115 without a remainder.

1, 3, 151, 157, 453, 471, 23707

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71115 and 71121. The biggest common factor number is the GCF number.
So the greatest common factor 71115 and 71121 is 3.

Also check out the Least Common Multiple of 71115 and 71121