What is the Greatest Common Factor of 83978 and 83987?

Greatest common factor (GCF) of 83978 and 83987 is 1.

GCF(83978,83987) = 1

We will now calculate the prime factors of 83978 and 83987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83978 and 83987.

How to find the GCF of 83978 and 83987?

We will first find the prime factorization of 83978 and 83987. After we will calculate the factors of 83978 and 83987 and find the biggest common factor number .

Step-1: Prime Factorization of 83978

Prime factors of 83978 are 2, 199, 211. Prime factorization of 83978 in exponential form is:

83978 = 2¹ × 199¹ × 211¹

Step-2: Prime Factorization of 83987

Prime factors of 83987 are 83987. Prime factorization of 83987 in exponential form is:

83987 = 83987¹

Step-3: Factors of 83978

List of positive integer factors of 83978 that divides 83978 without a remainder.

1, 2, 199, 211, 398, 422, 41989

Step-4: Factors of 83987

List of positive integer factors of 83987 that divides 83978 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83978 and 83987. The biggest common factor number is the GCF number.
So the greatest common factor 83978 and 83987 is 1.

Also check out the Least Common Multiple of 83978 and 83987