What is the Greatest Common Factor of 5661 and 5670?

Greatest common factor (GCF) of 5661 and 5670 is 9.

GCF(5661,5670) = 9

We will now calculate the prime factors of 5661 and 5670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5661 and 5670.

How to find the GCF of 5661 and 5670?

We will first find the prime factorization of 5661 and 5670. After we will calculate the factors of 5661 and 5670 and find the biggest common factor number .

Step-1: Prime Factorization of 5661

Prime factors of 5661 are 3, 17, 37. Prime factorization of 5661 in exponential form is:

5661 = 3² × 17¹ × 37¹

Step-2: Prime Factorization of 5670

Prime factors of 5670 are 2, 3, 5, 7. Prime factorization of 5670 in exponential form is:

5670 = 2¹ × 3⁴ × 5¹ × 7¹

Step-3: Factors of 5661

List of positive integer factors of 5661 that divides 5661 without a remainder.

1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887

Step-4: Factors of 5670

List of positive integer factors of 5670 that divides 5661 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5661 and 5670. The biggest common factor number is the GCF number.
So the greatest common factor 5661 and 5670 is 9.

Also check out the Least Common Multiple of 5661 and 5670