What is the Greatest Common Factor of 1940 and 1951?

Greatest common factor (GCF) of 1940 and 1951 is 1.

GCF(1940,1951) = 1

We will now calculate the prime factors of 1940 and 1951, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1940 and 1951.

How to find the GCF of 1940 and 1951?

We will first find the prime factorization of 1940 and 1951. After we will calculate the factors of 1940 and 1951 and find the biggest common factor number .

Step-1: Prime Factorization of 1940

Prime factors of 1940 are 2, 5, 97. Prime factorization of 1940 in exponential form is:

1940 = 2² × 5¹ × 97¹

Step-2: Prime Factorization of 1951

Prime factors of 1951 are 1951. Prime factorization of 1951 in exponential form is:

1951 = 1951¹

Step-3: Factors of 1940

List of positive integer factors of 1940 that divides 1940 without a remainder.

1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970

Step-4: Factors of 1951

List of positive integer factors of 1951 that divides 1940 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1940 and 1951. The biggest common factor number is the GCF number.
So the greatest common factor 1940 and 1951 is 1.

Also check out the Least Common Multiple of 1940 and 1951