What is the Greatest Common Factor of 71661 and 71670?

Greatest common factor (GCF) of 71661 and 71670 is 3.

GCF(71661,71670) = 3

We will now calculate the prime factors of 71661 and 71670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71661 and 71670.

How to find the GCF of 71661 and 71670?

We will first find the prime factorization of 71661 and 71670. After we will calculate the factors of 71661 and 71670 and find the biggest common factor number .

Step-1: Prime Factorization of 71661

Prime factors of 71661 are 3, 23887. Prime factorization of 71661 in exponential form is:

71661 = 3¹ × 23887¹

Step-2: Prime Factorization of 71670

Prime factors of 71670 are 2, 3, 5, 2389. Prime factorization of 71670 in exponential form is:

71670 = 2¹ × 3¹ × 5¹ × 2389¹

Step-3: Factors of 71661

List of positive integer factors of 71661 that divides 71661 without a remainder.

1, 3, 23887

Step-4: Factors of 71670

List of positive integer factors of 71670 that divides 71661 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2389, 4778, 7167, 11945, 14334, 23890, 35835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71661 and 71670. The biggest common factor number is the GCF number.
So the greatest common factor 71661 and 71670 is 3.

Also check out the Least Common Multiple of 71661 and 71670