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What is the Least Common Multiple of 79840 and 79853?

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 79840 and 79853 is 6375463520.

LCM(79840,79853) = 6375463520

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Least Common Multiple of 79840 and 79853 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79840 and 79853, than apply into the LCM equation.

GCF(79840,79853) = 1
LCM(79840,79853) = ( 79840 × 79853) / 1
LCM(79840,79853) = 6375463520 / 1
LCM(79840,79853) = 6375463520

Least Common Multiple (LCM) of 79840 and 79853 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79840 and 79853. First we will calculate the prime factors of 79840 and 79853.

Prime Factorization of 79840

Prime factors of 79840 are 2, 5, 499. Prime factorization of 79840 in exponential form is:

79840 = 25 × 51 × 4991

Prime Factorization of 79853

Prime factors of 79853 are 47, 1699. Prime factorization of 79853 in exponential form is:

79853 = 471 × 16991

Now multiplying the highest exponent prime factors to calculate the LCM of 79840 and 79853.

LCM(79840,79853) = 25 × 51 × 4991 × 471 × 16991
LCM(79840,79853) = 6375463520