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What is the Least Common Multiple of 79961 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 79961 and 79971 is 6394561131.

LCM(79961,79971) = 6394561131

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Least Common Multiple of 79961 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 79961 and 79971, than apply into the LCM equation.

GCF(79961,79971) = 1
LCM(79961,79971) = ( 79961 × 79971) / 1
LCM(79961,79971) = 6394561131 / 1
LCM(79961,79971) = 6394561131

Least Common Multiple (LCM) of 79961 and 79971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79961 and 79971. First we will calculate the prime factors of 79961 and 79971.

Prime Factorization of 79961

Prime factors of 79961 are 7, 11423. Prime factorization of 79961 in exponential form is:

79961 = 71 × 114231

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 79961 and 79971.

LCM(79961,79971) = 71 × 114231 × 31 × 191 × 231 × 611
LCM(79961,79971) = 6394561131