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What is the Least Common Multiple of 79862 and 79872?

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 79862 and 79872 is 3189368832.

LCM(79862,79872) = 3189368832

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Least Common Multiple of 79862 and 79872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79862 and 79872, than apply into the LCM equation.

GCF(79862,79872) = 2
LCM(79862,79872) = ( 79862 × 79872) / 2
LCM(79862,79872) = 6378737664 / 2
LCM(79862,79872) = 3189368832

Least Common Multiple (LCM) of 79862 and 79872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79862 and 79872. First we will calculate the prime factors of 79862 and 79872.

Prime Factorization of 79862

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

79862 = 21 × 731 × 5471

Prime Factorization of 79872

Prime factors of 79872 are 2, 3, 13. Prime factorization of 79872 in exponential form is:

79872 = 211 × 31 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 79862 and 79872.

LCM(79862,79872) = 211 × 731 × 5471 × 31 × 131
LCM(79862,79872) = 3189368832