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What is the Least Common Multiple of 78991 and 79007?

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 78991 and 79007 is 6240841937.

LCM(78991,79007) = 6240841937

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Least Common Multiple of 78991 and 79007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78991 and 79007, than apply into the LCM equation.

GCF(78991,79007) = 1
LCM(78991,79007) = ( 78991 × 79007) / 1
LCM(78991,79007) = 6240841937 / 1
LCM(78991,79007) = 6240841937

Least Common Multiple (LCM) of 78991 and 79007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78991 and 79007. First we will calculate the prime factors of 78991 and 79007.

Prime Factorization of 78991

Prime factors of 78991 are 11, 43, 167. Prime factorization of 78991 in exponential form is:

78991 = 111 × 431 × 1671

Prime Factorization of 79007

Prime factors of 79007 are 41, 47. Prime factorization of 79007 in exponential form is:

79007 = 412 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 78991 and 79007.

LCM(78991,79007) = 111 × 431 × 1671 × 412 × 471
LCM(78991,79007) = 6240841937