What is the Greatest Common Factor of 61970 and 61983?

Greatest common factor (GCF) of 61970 and 61983 is 1.

GCF(61970,61983) = 1

We will now calculate the prime factors of 61970 and 61983, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61970 and 61983.

How to find the GCF of 61970 and 61983?

We will first find the prime factorization of 61970 and 61983. After we will calculate the factors of 61970 and 61983 and find the biggest common factor number .

Step-1: Prime Factorization of 61970

Prime factors of 61970 are 2, 5, 6197. Prime factorization of 61970 in exponential form is:

61970 = 2¹ × 5¹ × 6197¹

Step-2: Prime Factorization of 61983

Prime factors of 61983 are 3, 71, 97. Prime factorization of 61983 in exponential form is:

61983 = 3² × 71¹ × 97¹

Step-3: Factors of 61970

List of positive integer factors of 61970 that divides 61970 without a remainder.

1, 2, 5, 10, 6197, 12394, 30985

Step-4: Factors of 61983

List of positive integer factors of 61983 that divides 61970 without a remainder.

1, 3, 9, 71, 97, 213, 291, 639, 873, 6887, 20661

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61970 and 61983. The biggest common factor number is the GCF number.
So the greatest common factor 61970 and 61983 is 1.

Also check out the Least Common Multiple of 61970 and 61983