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What is the Least Common Multiple of 79743 and 79758?

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 79743 and 79758 is 2120047398.

LCM(79743,79758) = 2120047398

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Least Common Multiple of 79743 and 79758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79743 and 79758, than apply into the LCM equation.

GCF(79743,79758) = 3
LCM(79743,79758) = ( 79743 × 79758) / 3
LCM(79743,79758) = 6360142194 / 3
LCM(79743,79758) = 2120047398

Least Common Multiple (LCM) of 79743 and 79758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79743 and 79758. First we will calculate the prime factors of 79743 and 79758.

Prime Factorization of 79743

Prime factors of 79743 are 3, 19, 1399. Prime factorization of 79743 in exponential form is:

79743 = 31 × 191 × 13991

Prime Factorization of 79758

Prime factors of 79758 are 2, 3, 7, 211. Prime factorization of 79758 in exponential form is:

79758 = 21 × 33 × 71 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 79743 and 79758.

LCM(79743,79758) = 33 × 191 × 13991 × 21 × 71 × 2111
LCM(79743,79758) = 2120047398