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What is the Least Common Multiple of 87919 and 87938?

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 87919 and 87938 is 7731421022.

LCM(87919,87938) = 7731421022

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Least Common Multiple of 87919 and 87938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87919 and 87938, than apply into the LCM equation.

GCF(87919,87938) = 1
LCM(87919,87938) = ( 87919 × 87938) / 1
LCM(87919,87938) = 7731421022 / 1
LCM(87919,87938) = 7731421022

Least Common Multiple (LCM) of 87919 and 87938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87919 and 87938. First we will calculate the prime factors of 87919 and 87938.

Prime Factorization of 87919

Prime factors of 87919 are 13, 6763. Prime factorization of 87919 in exponential form is:

87919 = 131 × 67631

Prime Factorization of 87938

Prime factors of 87938 are 2, 43969. Prime factorization of 87938 in exponential form is:

87938 = 21 × 439691

Now multiplying the highest exponent prime factors to calculate the LCM of 87919 and 87938.

LCM(87919,87938) = 131 × 67631 × 21 × 439691
LCM(87919,87938) = 7731421022