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What is the Least Common Multiple of 18790 and 18807?

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 18790 and 18807 is 353383530.

LCM(18790,18807) = 353383530

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Least Common Multiple of 18790 and 18807 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18790 and 18807, than apply into the LCM equation.

GCF(18790,18807) = 1
LCM(18790,18807) = ( 18790 × 18807) / 1
LCM(18790,18807) = 353383530 / 1
LCM(18790,18807) = 353383530

Least Common Multiple (LCM) of 18790 and 18807 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18790 and 18807. First we will calculate the prime factors of 18790 and 18807.

Prime Factorization of 18790

Prime factors of 18790 are 2, 5, 1879. Prime factorization of 18790 in exponential form is:

18790 = 21 × 51 × 18791

Prime Factorization of 18807

Prime factors of 18807 are 3, 6269. Prime factorization of 18807 in exponential form is:

18807 = 31 × 62691

Now multiplying the highest exponent prime factors to calculate the LCM of 18790 and 18807.

LCM(18790,18807) = 21 × 51 × 18791 × 31 × 62691
LCM(18790,18807) = 353383530