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What is the Least Common Multiple of 79703 and 79720?

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 79703 and 79720 is 6353923160.

LCM(79703,79720) = 6353923160

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Least Common Multiple of 79703 and 79720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79703 and 79720, than apply into the LCM equation.

GCF(79703,79720) = 1
LCM(79703,79720) = ( 79703 × 79720) / 1
LCM(79703,79720) = 6353923160 / 1
LCM(79703,79720) = 6353923160

Least Common Multiple (LCM) of 79703 and 79720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79703 and 79720. First we will calculate the prime factors of 79703 and 79720.

Prime Factorization of 79703

Prime factors of 79703 are 13, 6131. Prime factorization of 79703 in exponential form is:

79703 = 131 × 61311

Prime Factorization of 79720

Prime factors of 79720 are 2, 5, 1993. Prime factorization of 79720 in exponential form is:

79720 = 23 × 51 × 19931

Now multiplying the highest exponent prime factors to calculate the LCM of 79703 and 79720.

LCM(79703,79720) = 131 × 61311 × 23 × 51 × 19931
LCM(79703,79720) = 6353923160