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What is the Least Common Multiple of 40312 and 40324?

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 40312 and 40324 is 406385272.

LCM(40312,40324) = 406385272

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Least Common Multiple of 40312 and 40324 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40312 and 40324, than apply into the LCM equation.

GCF(40312,40324) = 4
LCM(40312,40324) = ( 40312 × 40324) / 4
LCM(40312,40324) = 1625541088 / 4
LCM(40312,40324) = 406385272

Least Common Multiple (LCM) of 40312 and 40324 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40312 and 40324. First we will calculate the prime factors of 40312 and 40324.

Prime Factorization of 40312

Prime factors of 40312 are 2, 5039. Prime factorization of 40312 in exponential form is:

40312 = 23 × 50391

Prime Factorization of 40324

Prime factors of 40324 are 2, 17, 593. Prime factorization of 40324 in exponential form is:

40324 = 22 × 171 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 40312 and 40324.

LCM(40312,40324) = 23 × 50391 × 171 × 5931
LCM(40312,40324) = 406385272