GCF and LCM Calculator Logo

What is the Least Common Multiple of 80721 and 80738?

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 80721 and 80738 is 6517252098.

LCM(80721,80738) = 6517252098

LCM Calculator and
and

Least Common Multiple of 80721 and 80738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80721 and 80738, than apply into the LCM equation.

GCF(80721,80738) = 1
LCM(80721,80738) = ( 80721 × 80738) / 1
LCM(80721,80738) = 6517252098 / 1
LCM(80721,80738) = 6517252098

Least Common Multiple (LCM) of 80721 and 80738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80721 and 80738. First we will calculate the prime factors of 80721 and 80738.

Prime Factorization of 80721

Prime factors of 80721 are 3, 8969. Prime factorization of 80721 in exponential form is:

80721 = 32 × 89691

Prime Factorization of 80738

Prime factors of 80738 are 2, 7, 73, 79. Prime factorization of 80738 in exponential form is:

80738 = 21 × 71 × 731 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 80721 and 80738.

LCM(80721,80738) = 32 × 89691 × 21 × 71 × 731 × 791
LCM(80721,80738) = 6517252098