What is the Greatest Common Factor of 83775 and 83780?

Greatest common factor (GCF) of 83775 and 83780 is 5.

GCF(83775,83780) = 5

We will now calculate the prime factors of 83775 and 83780, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83775 and 83780.

How to find the GCF of 83775 and 83780?

We will first find the prime factorization of 83775 and 83780. After we will calculate the factors of 83775 and 83780 and find the biggest common factor number .

Step-1: Prime Factorization of 83775

Prime factors of 83775 are 3, 5, 1117. Prime factorization of 83775 in exponential form is:

83775 = 3¹ × 5² × 1117¹

Step-2: Prime Factorization of 83780

Prime factors of 83780 are 2, 5, 59, 71. Prime factorization of 83780 in exponential form is:

83780 = 2² × 5¹ × 59¹ × 71¹

Step-3: Factors of 83775

List of positive integer factors of 83775 that divides 83775 without a remainder.

1, 3, 5, 15, 25, 75, 1117, 3351, 5585, 16755, 27925

Step-4: Factors of 83780

List of positive integer factors of 83780 that divides 83775 without a remainder.

1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 1180, 1420, 4189, 8378, 16756, 20945, 41890

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83775 and 83780. The biggest common factor number is the GCF number.
So the greatest common factor 83775 and 83780 is 5.

Also check out the Least Common Multiple of 83775 and 83780