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What is the Least Common Multiple of 87440 and 87446?

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 87440 and 87446 is 3823139120.

LCM(87440,87446) = 3823139120

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Least Common Multiple of 87440 and 87446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87440 and 87446, than apply into the LCM equation.

GCF(87440,87446) = 2
LCM(87440,87446) = ( 87440 × 87446) / 2
LCM(87440,87446) = 7646278240 / 2
LCM(87440,87446) = 3823139120

Least Common Multiple (LCM) of 87440 and 87446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87440 and 87446. First we will calculate the prime factors of 87440 and 87446.

Prime Factorization of 87440

Prime factors of 87440 are 2, 5, 1093. Prime factorization of 87440 in exponential form is:

87440 = 24 × 51 × 10931

Prime Factorization of 87446

Prime factors of 87446 are 2, 23, 1901. Prime factorization of 87446 in exponential form is:

87446 = 21 × 231 × 19011

Now multiplying the highest exponent prime factors to calculate the LCM of 87440 and 87446.

LCM(87440,87446) = 24 × 51 × 10931 × 231 × 19011
LCM(87440,87446) = 3823139120