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What is the Least Common Multiple of 40572 and 40592?

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 40572 and 40592 is 411724656.

LCM(40572,40592) = 411724656

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Least Common Multiple of 40572 and 40592 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40572 and 40592, than apply into the LCM equation.

GCF(40572,40592) = 4
LCM(40572,40592) = ( 40572 × 40592) / 4
LCM(40572,40592) = 1646898624 / 4
LCM(40572,40592) = 411724656

Least Common Multiple (LCM) of 40572 and 40592 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40572 and 40592. First we will calculate the prime factors of 40572 and 40592.

Prime Factorization of 40572

Prime factors of 40572 are 2, 3, 7, 23. Prime factorization of 40572 in exponential form is:

40572 = 22 × 32 × 72 × 231

Prime Factorization of 40592

Prime factors of 40592 are 2, 43, 59. Prime factorization of 40592 in exponential form is:

40592 = 24 × 431 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 40572 and 40592.

LCM(40572,40592) = 24 × 32 × 72 × 231 × 431 × 591
LCM(40572,40592) = 411724656