What is the Greatest Common Factor of 6465 and 6470?

Greatest common factor (GCF) of 6465 and 6470 is 5.

GCF(6465,6470) = 5

We will now calculate the prime factors of 6465 and 6470, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6465 and 6470.

How to find the GCF of 6465 and 6470?

We will first find the prime factorization of 6465 and 6470. After we will calculate the factors of 6465 and 6470 and find the biggest common factor number .

Step-1: Prime Factorization of 6465

Prime factors of 6465 are 3, 5, 431. Prime factorization of 6465 in exponential form is:

6465 = 3¹ × 5¹ × 431¹

Step-2: Prime Factorization of 6470

Prime factors of 6470 are 2, 5, 647. Prime factorization of 6470 in exponential form is:

6470 = 2¹ × 5¹ × 647¹

Step-3: Factors of 6465

List of positive integer factors of 6465 that divides 6465 without a remainder.

1, 3, 5, 15, 431, 1293, 2155

Step-4: Factors of 6470

List of positive integer factors of 6470 that divides 6465 without a remainder.

1, 2, 5, 10, 647, 1294, 3235

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6465 and 6470. The biggest common factor number is the GCF number.
So the greatest common factor 6465 and 6470 is 5.

Also check out the Least Common Multiple of 6465 and 6470