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What is the Least Common Multiple of 78965 and 78971?

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 78965 and 78971 is 6235945015.

LCM(78965,78971) = 6235945015

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Least Common Multiple of 78965 and 78971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78965 and 78971, than apply into the LCM equation.

GCF(78965,78971) = 1
LCM(78965,78971) = ( 78965 × 78971) / 1
LCM(78965,78971) = 6235945015 / 1
LCM(78965,78971) = 6235945015

Least Common Multiple (LCM) of 78965 and 78971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78965 and 78971. First we will calculate the prime factors of 78965 and 78971.

Prime Factorization of 78965

Prime factors of 78965 are 5, 17, 929. Prime factorization of 78965 in exponential form is:

78965 = 51 × 171 × 9291

Prime Factorization of 78971

Prime factors of 78971 are 157, 503. Prime factorization of 78971 in exponential form is:

78971 = 1571 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 78965 and 78971.

LCM(78965,78971) = 51 × 171 × 9291 × 1571 × 5031
LCM(78965,78971) = 6235945015