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What is the Least Common Multiple of 79966 and 79971?

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 79966 and 79971 is 6394960986.

LCM(79966,79971) = 6394960986

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Least Common Multiple of 79966 and 79971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79966 and 79971, than apply into the LCM equation.

GCF(79966,79971) = 1
LCM(79966,79971) = ( 79966 × 79971) / 1
LCM(79966,79971) = 6394960986 / 1
LCM(79966,79971) = 6394960986

Least Common Multiple (LCM) of 79966 and 79971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79966 and 79971. First we will calculate the prime factors of 79966 and 79971.

Prime Factorization of 79966

Prime factors of 79966 are 2, 39983. Prime factorization of 79966 in exponential form is:

79966 = 21 × 399831

Prime Factorization of 79971

Prime factors of 79971 are 3, 19, 23, 61. Prime factorization of 79971 in exponential form is:

79971 = 31 × 191 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 79966 and 79971.

LCM(79966,79971) = 21 × 399831 × 31 × 191 × 231 × 611
LCM(79966,79971) = 6394960986