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What is the Least Common Multiple of 8974 and 8989?

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 8974 and 8989 is 80667286.

LCM(8974,8989) = 80667286

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Least Common Multiple of 8974 and 8989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8974 and 8989, than apply into the LCM equation.

GCF(8974,8989) = 1
LCM(8974,8989) = ( 8974 × 8989) / 1
LCM(8974,8989) = 80667286 / 1
LCM(8974,8989) = 80667286

Least Common Multiple (LCM) of 8974 and 8989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8974 and 8989. First we will calculate the prime factors of 8974 and 8989.

Prime Factorization of 8974

Prime factors of 8974 are 2, 7, 641. Prime factorization of 8974 in exponential form is:

8974 = 21 × 71 × 6411

Prime Factorization of 8989

Prime factors of 8989 are 89, 101. Prime factorization of 8989 in exponential form is:

8989 = 891 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 8974 and 8989.

LCM(8974,8989) = 21 × 71 × 6411 × 891 × 1011
LCM(8974,8989) = 80667286