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What is the Least Common Multiple of 79662 and 79678?

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 79662 and 79678 is 3173654418.

LCM(79662,79678) = 3173654418

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Least Common Multiple of 79662 and 79678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79662 and 79678, than apply into the LCM equation.

GCF(79662,79678) = 2
LCM(79662,79678) = ( 79662 × 79678) / 2
LCM(79662,79678) = 6347308836 / 2
LCM(79662,79678) = 3173654418

Least Common Multiple (LCM) of 79662 and 79678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79662 and 79678. First we will calculate the prime factors of 79662 and 79678.

Prime Factorization of 79662

Prime factors of 79662 are 2, 3, 11, 17, 71. Prime factorization of 79662 in exponential form is:

79662 = 21 × 31 × 111 × 171 × 711

Prime Factorization of 79678

Prime factors of 79678 are 2, 39839. Prime factorization of 79678 in exponential form is:

79678 = 21 × 398391

Now multiplying the highest exponent prime factors to calculate the LCM of 79662 and 79678.

LCM(79662,79678) = 21 × 31 × 111 × 171 × 711 × 398391
LCM(79662,79678) = 3173654418