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What is the Least Common Multiple of 18653 and 18668?

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 18653 and 18668 is 348214204.

LCM(18653,18668) = 348214204

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Least Common Multiple of 18653 and 18668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18653 and 18668, than apply into the LCM equation.

GCF(18653,18668) = 1
LCM(18653,18668) = ( 18653 × 18668) / 1
LCM(18653,18668) = 348214204 / 1
LCM(18653,18668) = 348214204

Least Common Multiple (LCM) of 18653 and 18668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18653 and 18668. First we will calculate the prime factors of 18653 and 18668.

Prime Factorization of 18653

Prime factors of 18653 are 23, 811. Prime factorization of 18653 in exponential form is:

18653 = 231 × 8111

Prime Factorization of 18668

Prime factors of 18668 are 2, 13, 359. Prime factorization of 18668 in exponential form is:

18668 = 22 × 131 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 18653 and 18668.

LCM(18653,18668) = 231 × 8111 × 22 × 131 × 3591
LCM(18653,18668) = 348214204