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What is the Least Common Multiple of 79381 and 79390?

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 79381 and 79390 is 6302057590.

LCM(79381,79390) = 6302057590

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Least Common Multiple of 79381 and 79390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79381 and 79390, than apply into the LCM equation.

GCF(79381,79390) = 1
LCM(79381,79390) = ( 79381 × 79390) / 1
LCM(79381,79390) = 6302057590 / 1
LCM(79381,79390) = 6302057590

Least Common Multiple (LCM) of 79381 and 79390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79381 and 79390. First we will calculate the prime factors of 79381 and 79390.

Prime Factorization of 79381

Prime factors of 79381 are 163, 487. Prime factorization of 79381 in exponential form is:

79381 = 1631 × 4871

Prime Factorization of 79390

Prime factors of 79390 are 2, 5, 17, 467. Prime factorization of 79390 in exponential form is:

79390 = 21 × 51 × 171 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 79381 and 79390.

LCM(79381,79390) = 1631 × 4871 × 21 × 51 × 171 × 4671
LCM(79381,79390) = 6302057590