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What is the Least Common Multiple of 40115 and 40130?

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 40115 and 40130 is 321962990.

LCM(40115,40130) = 321962990

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Least Common Multiple of 40115 and 40130 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40115 and 40130, than apply into the LCM equation.

GCF(40115,40130) = 5
LCM(40115,40130) = ( 40115 × 40130) / 5
LCM(40115,40130) = 1609814950 / 5
LCM(40115,40130) = 321962990

Least Common Multiple (LCM) of 40115 and 40130 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40115 and 40130. First we will calculate the prime factors of 40115 and 40130.

Prime Factorization of 40115

Prime factors of 40115 are 5, 71, 113. Prime factorization of 40115 in exponential form is:

40115 = 51 × 711 × 1131

Prime Factorization of 40130

Prime factors of 40130 are 2, 5, 4013. Prime factorization of 40130 in exponential form is:

40130 = 21 × 51 × 40131

Now multiplying the highest exponent prime factors to calculate the LCM of 40115 and 40130.

LCM(40115,40130) = 51 × 711 × 1131 × 21 × 40131
LCM(40115,40130) = 321962990