What is the Greatest Common Factor of 71145 and 71156?

Greatest common factor (GCF) of 71145 and 71156 is 1.

GCF(71145,71156) = 1

We will now calculate the prime factors of 71145 and 71156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71145 and 71156.

How to find the GCF of 71145 and 71156?

We will first find the prime factorization of 71145 and 71156. After we will calculate the factors of 71145 and 71156 and find the biggest common factor number .

Step-1: Prime Factorization of 71145

Prime factors of 71145 are 3, 5, 17, 31. Prime factorization of 71145 in exponential form is:

71145 = 3³ × 5¹ × 17¹ × 31¹

Step-2: Prime Factorization of 71156

Prime factors of 71156 are 2, 17789. Prime factorization of 71156 in exponential form is:

71156 = 2² × 17789¹

Step-3: Factors of 71145

List of positive integer factors of 71145 that divides 71145 without a remainder.

1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1395, 1581, 2295, 2635, 4185, 4743, 7905, 14229, 23715

Step-4: Factors of 71156

List of positive integer factors of 71156 that divides 71145 without a remainder.

1, 2, 4, 17789, 35578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71145 and 71156. The biggest common factor number is the GCF number.
So the greatest common factor 71145 and 71156 is 1.

Also check out the Least Common Multiple of 71145 and 71156