What is the Greatest Common Factor of 83980 and 83995?

Greatest common factor (GCF) of 83980 and 83995 is 5.

GCF(83980,83995) = 5

We will now calculate the prime factors of 83980 and 83995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83980 and 83995.

How to find the GCF of 83980 and 83995?

We will first find the prime factorization of 83980 and 83995. After we will calculate the factors of 83980 and 83995 and find the biggest common factor number .

Step-1: Prime Factorization of 83980

Prime factors of 83980 are 2, 5, 13, 17, 19. Prime factorization of 83980 in exponential form is:

83980 = 2² × 5¹ × 13¹ × 17¹ × 19¹

Step-2: Prime Factorization of 83995

Prime factors of 83995 are 5, 107, 157. Prime factorization of 83995 in exponential form is:

83995 = 5¹ × 107¹ × 157¹

Step-3: Factors of 83980

List of positive integer factors of 83980 that divides 83980 without a remainder.

1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1105, 1235, 1292, 1615, 2210, 2470, 3230, 4199, 4420, 4940, 6460, 8398, 16796, 20995, 41990

Step-4: Factors of 83995

List of positive integer factors of 83995 that divides 83980 without a remainder.

1, 5, 107, 157, 535, 785, 16799

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83980 and 83995. The biggest common factor number is the GCF number.
So the greatest common factor 83980 and 83995 is 5.

Also check out the Least Common Multiple of 83980 and 83995