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What is the Least Common Multiple of 79270 and 79290?

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 79270 and 79290 is 628531830.

LCM(79270,79290) = 628531830

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Least Common Multiple of 79270 and 79290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79270 and 79290, than apply into the LCM equation.

GCF(79270,79290) = 10
LCM(79270,79290) = ( 79270 × 79290) / 10
LCM(79270,79290) = 6285318300 / 10
LCM(79270,79290) = 628531830

Least Common Multiple (LCM) of 79270 and 79290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79270 and 79290. First we will calculate the prime factors of 79270 and 79290.

Prime Factorization of 79270

Prime factors of 79270 are 2, 5, 7927. Prime factorization of 79270 in exponential form is:

79270 = 21 × 51 × 79271

Prime Factorization of 79290

Prime factors of 79290 are 2, 3, 5, 881. Prime factorization of 79290 in exponential form is:

79290 = 21 × 32 × 51 × 8811

Now multiplying the highest exponent prime factors to calculate the LCM of 79270 and 79290.

LCM(79270,79290) = 21 × 51 × 79271 × 32 × 8811
LCM(79270,79290) = 628531830