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What is the Least Common Multiple of 40756 and 40764?

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 40756 and 40764 is 415344396.

LCM(40756,40764) = 415344396

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Least Common Multiple of 40756 and 40764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40756 and 40764, than apply into the LCM equation.

GCF(40756,40764) = 4
LCM(40756,40764) = ( 40756 × 40764) / 4
LCM(40756,40764) = 1661377584 / 4
LCM(40756,40764) = 415344396

Least Common Multiple (LCM) of 40756 and 40764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40756 and 40764. First we will calculate the prime factors of 40756 and 40764.

Prime Factorization of 40756

Prime factors of 40756 are 2, 23, 443. Prime factorization of 40756 in exponential form is:

40756 = 22 × 231 × 4431

Prime Factorization of 40764

Prime factors of 40764 are 2, 3, 43, 79. Prime factorization of 40764 in exponential form is:

40764 = 22 × 31 × 431 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 40756 and 40764.

LCM(40756,40764) = 22 × 231 × 4431 × 31 × 431 × 791
LCM(40756,40764) = 415344396