GCF and LCM Calculator Logo

What is the Least Common Multiple of 78659 and 78663?

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 78659 and 78663 is 6187552917.

LCM(78659,78663) = 6187552917

LCM Calculator and
and

Least Common Multiple of 78659 and 78663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78659 and 78663, than apply into the LCM equation.

GCF(78659,78663) = 1
LCM(78659,78663) = ( 78659 × 78663) / 1
LCM(78659,78663) = 6187552917 / 1
LCM(78659,78663) = 6187552917

Least Common Multiple (LCM) of 78659 and 78663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78659 and 78663. First we will calculate the prime factors of 78659 and 78663.

Prime Factorization of 78659

Prime factors of 78659 are 7, 17, 661. Prime factorization of 78659 in exponential form is:

78659 = 71 × 171 × 6611

Prime Factorization of 78663

Prime factors of 78663 are 3, 13, 2017. Prime factorization of 78663 in exponential form is:

78663 = 31 × 131 × 20171

Now multiplying the highest exponent prime factors to calculate the LCM of 78659 and 78663.

LCM(78659,78663) = 71 × 171 × 6611 × 31 × 131 × 20171
LCM(78659,78663) = 6187552917