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What is the Least Common Multiple of 23643 and 23656?

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 23643 and 23656 is 559298808.

LCM(23643,23656) = 559298808

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Least Common Multiple of 23643 and 23656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23643 and 23656, than apply into the LCM equation.

GCF(23643,23656) = 1
LCM(23643,23656) = ( 23643 × 23656) / 1
LCM(23643,23656) = 559298808 / 1
LCM(23643,23656) = 559298808

Least Common Multiple (LCM) of 23643 and 23656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23643 and 23656. First we will calculate the prime factors of 23643 and 23656.

Prime Factorization of 23643

Prime factors of 23643 are 3, 37, 71. Prime factorization of 23643 in exponential form is:

23643 = 32 × 371 × 711

Prime Factorization of 23656

Prime factors of 23656 are 2, 2957. Prime factorization of 23656 in exponential form is:

23656 = 23 × 29571

Now multiplying the highest exponent prime factors to calculate the LCM of 23643 and 23656.

LCM(23643,23656) = 32 × 371 × 711 × 23 × 29571
LCM(23643,23656) = 559298808