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What is the Least Common Multiple of 40516 and 40536?

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 40516 and 40536 is 410589144.

LCM(40516,40536) = 410589144

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Least Common Multiple of 40516 and 40536 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40516 and 40536, than apply into the LCM equation.

GCF(40516,40536) = 4
LCM(40516,40536) = ( 40516 × 40536) / 4
LCM(40516,40536) = 1642356576 / 4
LCM(40516,40536) = 410589144

Least Common Multiple (LCM) of 40516 and 40536 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40516 and 40536. First we will calculate the prime factors of 40516 and 40536.

Prime Factorization of 40516

Prime factors of 40516 are 2, 7, 1447. Prime factorization of 40516 in exponential form is:

40516 = 22 × 71 × 14471

Prime Factorization of 40536

Prime factors of 40536 are 2, 3, 563. Prime factorization of 40536 in exponential form is:

40536 = 23 × 32 × 5631

Now multiplying the highest exponent prime factors to calculate the LCM of 40516 and 40536.

LCM(40516,40536) = 23 × 71 × 14471 × 32 × 5631
LCM(40516,40536) = 410589144