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What is the Least Common Multiple of 18671 and 18685?

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 18671 and 18685 is 348867635.

LCM(18671,18685) = 348867635

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Least Common Multiple of 18671 and 18685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18671 and 18685, than apply into the LCM equation.

GCF(18671,18685) = 1
LCM(18671,18685) = ( 18671 × 18685) / 1
LCM(18671,18685) = 348867635 / 1
LCM(18671,18685) = 348867635

Least Common Multiple (LCM) of 18671 and 18685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18671 and 18685. First we will calculate the prime factors of 18671 and 18685.

Prime Factorization of 18671

Prime factors of 18671 are 18671. Prime factorization of 18671 in exponential form is:

18671 = 186711

Prime Factorization of 18685

Prime factors of 18685 are 5, 37, 101. Prime factorization of 18685 in exponential form is:

18685 = 51 × 371 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 18671 and 18685.

LCM(18671,18685) = 186711 × 51 × 371 × 1011
LCM(18671,18685) = 348867635