GCF and LCM Calculator Logo

What is the Least Common Multiple of 80042 and 80047?

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 80042 and 80047 is 6407121974.

LCM(80042,80047) = 6407121974

LCM Calculator and
and

Least Common Multiple of 80042 and 80047 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80042 and 80047, than apply into the LCM equation.

GCF(80042,80047) = 1
LCM(80042,80047) = ( 80042 × 80047) / 1
LCM(80042,80047) = 6407121974 / 1
LCM(80042,80047) = 6407121974

Least Common Multiple (LCM) of 80042 and 80047 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80042 and 80047. First we will calculate the prime factors of 80042 and 80047.

Prime Factorization of 80042

Prime factors of 80042 are 2, 31, 1291. Prime factorization of 80042 in exponential form is:

80042 = 21 × 311 × 12911

Prime Factorization of 80047

Prime factors of 80047 are 11, 19, 383. Prime factorization of 80047 in exponential form is:

80047 = 111 × 191 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 80042 and 80047.

LCM(80042,80047) = 21 × 311 × 12911 × 111 × 191 × 3831
LCM(80042,80047) = 6407121974