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What is the Least Common Multiple of 4971 and 4987?

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 4971 and 4987 is 24790377.

LCM(4971,4987) = 24790377

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Least Common Multiple of 4971 and 4987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4971 and 4987, than apply into the LCM equation.

GCF(4971,4987) = 1
LCM(4971,4987) = ( 4971 × 4987) / 1
LCM(4971,4987) = 24790377 / 1
LCM(4971,4987) = 24790377

Least Common Multiple (LCM) of 4971 and 4987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4971 and 4987. First we will calculate the prime factors of 4971 and 4987.

Prime Factorization of 4971

Prime factors of 4971 are 3, 1657. Prime factorization of 4971 in exponential form is:

4971 = 31 × 16571

Prime Factorization of 4987

Prime factors of 4987 are 4987. Prime factorization of 4987 in exponential form is:

4987 = 49871

Now multiplying the highest exponent prime factors to calculate the LCM of 4971 and 4987.

LCM(4971,4987) = 31 × 16571 × 49871
LCM(4971,4987) = 24790377