What is the Greatest Common Factor of 73978 and 73991?

Greatest common factor (GCF) of 73978 and 73991 is 1.

GCF(73978,73991) = 1

We will now calculate the prime factors of 73978 and 73991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73978 and 73991.

How to find the GCF of 73978 and 73991?

We will first find the prime factorization of 73978 and 73991. After we will calculate the factors of 73978 and 73991 and find the biggest common factor number .

Step-1: Prime Factorization of 73978

Prime factors of 73978 are 2, 47, 787. Prime factorization of 73978 in exponential form is:

73978 = 2¹ × 47¹ × 787¹

Step-2: Prime Factorization of 73991

Prime factors of 73991 are 23, 3217. Prime factorization of 73991 in exponential form is:

73991 = 23¹ × 3217¹

Step-3: Factors of 73978

List of positive integer factors of 73978 that divides 73978 without a remainder.

1, 2, 47, 94, 787, 1574, 36989

Step-4: Factors of 73991

List of positive integer factors of 73991 that divides 73978 without a remainder.

1, 23, 3217

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73978 and 73991. The biggest common factor number is the GCF number.
So the greatest common factor 73978 and 73991 is 1.

Also check out the Least Common Multiple of 73978 and 73991