GCF and LCM Calculator Logo

What is the Least Common Multiple of 78991 and 79001?

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 79001 is 6240367991.

LCM(78991,79001) = 6240367991

LCM Calculator and
and

Least Common Multiple of 78991 and 79001 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 79001, than apply into the LCM equation.

GCF(78991,79001) = 1
LCM(78991,79001) = ( 78991 × 79001) / 1
LCM(78991,79001) = 6240367991 / 1
LCM(78991,79001) = 6240367991

Least Common Multiple (LCM) of 78991 and 79001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78991 and 79001. First we will calculate the prime factors of 78991 and 79001.

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 79001

Prime factors of 79001 are 13, 59, 103. Prime factorization of 79001 in exponential form is:

79001 = 131 × 591 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 78991 and 79001.

LCM(78991,79001) = 111 × 431 × 1671 × 131 × 591 × 1031
LCM(78991,79001) = 6240367991