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What is the Greatest Common Factor of 1974 and 1993?

Greatest common factor (GCF) of 1974 and 1993 is 1.

GCF(1974,1993) = 1

We will now calculate the prime factors of 1974 and 1993, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1974 and 1993.

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How to find the GCF of 1974 and 1993?

We will first find the prime factorization of 1974 and 1993. After we will calculate the factors of 1974 and 1993 and find the biggest common factor number .

Step-1: Prime Factorization of 1974

Prime factors of 1974 are 2, 3, 7, 47. Prime factorization of 1974 in exponential form is:

1974 = 21 × 31 × 71 × 471

Step-2: Prime Factorization of 1993

Prime factors of 1993 are 1993. Prime factorization of 1993 in exponential form is:

1993 = 19931

Step-3: Factors of 1974

List of positive integer factors of 1974 that divides 1974 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987

Step-4: Factors of 1993

List of positive integer factors of 1993 that divides 1974 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1974 and 1993. The biggest common factor number is the GCF number.
So the greatest common factor 1974 and 1993 is 1.

Also check out the Least Common Multiple of 1974 and 1993