What is the Greatest Common Factor of 86445 and 86455?

Greatest common factor (GCF) of 86445 and 86455 is 5.

GCF(86445,86455) = 5

We will now calculate the prime factors of 86445 and 86455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86445 and 86455.

How to find the GCF of 86445 and 86455?

We will first find the prime factorization of 86445 and 86455. After we will calculate the factors of 86445 and 86455 and find the biggest common factor number .

Step-1: Prime Factorization of 86445

Prime factors of 86445 are 3, 5, 17, 113. Prime factorization of 86445 in exponential form is:

86445 = 3² × 5¹ × 17¹ × 113¹

Step-2: Prime Factorization of 86455

Prime factors of 86455 are 5, 17291. Prime factorization of 86455 in exponential form is:

86455 = 5¹ × 17291¹

Step-3: Factors of 86445

List of positive integer factors of 86445 that divides 86445 without a remainder.

1, 3, 5, 9, 15, 17, 45, 51, 85, 113, 153, 255, 339, 565, 765, 1017, 1695, 1921, 5085, 5763, 9605, 17289, 28815

Step-4: Factors of 86455

List of positive integer factors of 86455 that divides 86445 without a remainder.

1, 5, 17291

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86445 and 86455. The biggest common factor number is the GCF number.
So the greatest common factor 86445 and 86455 is 5.

Also check out the Least Common Multiple of 86445 and 86455