What is the Greatest Common Factor of 81550 and 81560?

Greatest common factor (GCF) of 81550 and 81560 is 10.

GCF(81550,81560) = 10

We will now calculate the prime factors of 81550 and 81560, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81550 and 81560.

How to find the GCF of 81550 and 81560?

We will first find the prime factorization of 81550 and 81560. After we will calculate the factors of 81550 and 81560 and find the biggest common factor number .

Step-1: Prime Factorization of 81550

Prime factors of 81550 are 2, 5, 7, 233. Prime factorization of 81550 in exponential form is:

81550 = 2¹ × 5² × 7¹ × 233¹

Step-2: Prime Factorization of 81560

Prime factors of 81560 are 2, 5, 2039. Prime factorization of 81560 in exponential form is:

81560 = 2³ × 5¹ × 2039¹

Step-3: Factors of 81550

List of positive integer factors of 81550 that divides 81550 without a remainder.

1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 233, 350, 466, 1165, 1631, 2330, 3262, 5825, 8155, 11650, 16310, 40775

Step-4: Factors of 81560

List of positive integer factors of 81560 that divides 81550 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2039, 4078, 8156, 10195, 16312, 20390, 40780

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81550 and 81560. The biggest common factor number is the GCF number.
So the greatest common factor 81550 and 81560 is 10.

Also check out the Least Common Multiple of 81550 and 81560