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What is the Least Common Multiple of 79842 and 79862?

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 79842 and 79862 is 3188170902.

LCM(79842,79862) = 3188170902

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Least Common Multiple of 79842 and 79862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79842 and 79862, than apply into the LCM equation.

GCF(79842,79862) = 2
LCM(79842,79862) = ( 79842 × 79862) / 2
LCM(79842,79862) = 6376341804 / 2
LCM(79842,79862) = 3188170902

Least Common Multiple (LCM) of 79842 and 79862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79842 and 79862. First we will calculate the prime factors of 79842 and 79862.

Prime Factorization of 79842

Prime factors of 79842 are 2, 3, 7, 1901. Prime factorization of 79842 in exponential form is:

79842 = 21 × 31 × 71 × 19011

Prime Factorization of 79862

Prime factors of 79862 are 2, 73, 547. Prime factorization of 79862 in exponential form is:

79862 = 21 × 731 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 79842 and 79862.

LCM(79842,79862) = 21 × 31 × 71 × 19011 × 731 × 5471
LCM(79842,79862) = 3188170902