What is the Greatest Common Factor of 61983 and 61988?

Greatest common factor (GCF) of 61983 and 61988 is 1.

GCF(61983,61988) = 1

We will now calculate the prime factors of 61983 and 61988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61983 and 61988.

How to find the GCF of 61983 and 61988?

We will first find the prime factorization of 61983 and 61988. After we will calculate the factors of 61983 and 61988 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 61988

Prime factors of 61988 are 2, 15497. Prime factorization of 61988 in exponential form is:

61988 = 2² × 15497¹

Step-3: Factors of 61983

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

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

Step-4: Factors of 61988

List of positive integer factors of 61988 that divides 61983 without a remainder.

1, 2, 4, 15497, 30994

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61983 and 61988. The biggest common factor number is the GCF number.
So the greatest common factor 61983 and 61988 is 1.

Also check out the Least Common Multiple of 61983 and 61988