What is the Greatest Common Factor of 40665 and 40670?

Greatest common factor (GCF) of 40665 and 40670 is 5.

GCF(40665,40670) = 5

We will now calculate the prime factors of 40665 and 40670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40665 and 40670.

How to find the GCF of 40665 and 40670?

We will first find the prime factorization of 40665 and 40670. After we will calculate the factors of 40665 and 40670 and find the biggest common factor number .

Step-1: Prime Factorization of 40665

Prime factors of 40665 are 3, 5, 2711. Prime factorization of 40665 in exponential form is:

40665 = 3¹ × 5¹ × 2711¹

Step-2: Prime Factorization of 40670

Prime factors of 40670 are 2, 5, 7, 83. Prime factorization of 40670 in exponential form is:

40670 = 2¹ × 5¹ × 7² × 83¹

Step-3: Factors of 40665

List of positive integer factors of 40665 that divides 40665 without a remainder.

1, 3, 5, 15, 2711, 8133, 13555

Step-4: Factors of 40670

List of positive integer factors of 40670 that divides 40665 without a remainder.

1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 490, 581, 830, 1162, 2905, 4067, 5810, 8134, 20335

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40665 and 40670. The biggest common factor number is the GCF number.
So the greatest common factor 40665 and 40670 is 5.

Also check out the Least Common Multiple of 40665 and 40670