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What is the Least Common Multiple of 4643 and 4657?

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 4643 and 4657 is 21622451.

LCM(4643,4657) = 21622451

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Least Common Multiple of 4643 and 4657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4643 and 4657, than apply into the LCM equation.

GCF(4643,4657) = 1
LCM(4643,4657) = ( 4643 × 4657) / 1
LCM(4643,4657) = 21622451 / 1
LCM(4643,4657) = 21622451

Least Common Multiple (LCM) of 4643 and 4657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4643 and 4657. First we will calculate the prime factors of 4643 and 4657.

Prime Factorization of 4643

Prime factors of 4643 are 4643. Prime factorization of 4643 in exponential form is:

4643 = 46431

Prime Factorization of 4657

Prime factors of 4657 are 4657. Prime factorization of 4657 in exponential form is:

4657 = 46571

Now multiplying the highest exponent prime factors to calculate the LCM of 4643 and 4657.

LCM(4643,4657) = 46431 × 46571
LCM(4643,4657) = 21622451