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What is the Least Common Multiple of 79690 and 79700?

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 79690 and 79700 is 635129300.

LCM(79690,79700) = 635129300

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Least Common Multiple of 79690 and 79700 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79690 and 79700, than apply into the LCM equation.

GCF(79690,79700) = 10
LCM(79690,79700) = ( 79690 × 79700) / 10
LCM(79690,79700) = 6351293000 / 10
LCM(79690,79700) = 635129300

Least Common Multiple (LCM) of 79690 and 79700 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79690 and 79700. First we will calculate the prime factors of 79690 and 79700.

Prime Factorization of 79690

Prime factors of 79690 are 2, 5, 13, 613. Prime factorization of 79690 in exponential form is:

79690 = 21 × 51 × 131 × 6131

Prime Factorization of 79700

Prime factors of 79700 are 2, 5, 797. Prime factorization of 79700 in exponential form is:

79700 = 22 × 52 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 79690 and 79700.

LCM(79690,79700) = 22 × 52 × 131 × 6131 × 7971
LCM(79690,79700) = 635129300