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What is the Least Common Multiple of 974 and 983?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 974 and 983 is 957442.

LCM(974,983) = 957442

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Least Common Multiple of 974 and 983 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 974 and 983, than apply into the LCM equation.

GCF(974,983) = 1
LCM(974,983) = ( 974 × 983) / 1
LCM(974,983) = 957442 / 1
LCM(974,983) = 957442

Least Common Multiple (LCM) of 974 and 983 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 974 and 983. First we will calculate the prime factors of 974 and 983.

Prime Factorization of 974

Prime factors of 974 are 2, 487. Prime factorization of 974 in exponential form is:

974 = 21 × 4871

Prime Factorization of 983

Prime factors of 983 are 983. Prime factorization of 983 in exponential form is:

983 = 9831

Now multiplying the highest exponent prime factors to calculate the LCM of 974 and 983.

LCM(974,983) = 21 × 4871 × 9831
LCM(974,983) = 957442