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What is the Least Common Multiple of 40057 and 40072?

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 40057 and 40072 is 1605164104.

LCM(40057,40072) = 1605164104

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Least Common Multiple of 40057 and 40072 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40057 and 40072, than apply into the LCM equation.

GCF(40057,40072) = 1
LCM(40057,40072) = ( 40057 × 40072) / 1
LCM(40057,40072) = 1605164104 / 1
LCM(40057,40072) = 1605164104

Least Common Multiple (LCM) of 40057 and 40072 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40057 and 40072. First we will calculate the prime factors of 40057 and 40072.

Prime Factorization of 40057

Prime factors of 40057 are 41, 977. Prime factorization of 40057 in exponential form is:

40057 = 411 × 9771

Prime Factorization of 40072

Prime factors of 40072 are 2, 5009. Prime factorization of 40072 in exponential form is:

40072 = 23 × 50091

Now multiplying the highest exponent prime factors to calculate the LCM of 40057 and 40072.

LCM(40057,40072) = 411 × 9771 × 23 × 50091
LCM(40057,40072) = 1605164104