GCF and LCM Calculator Logo

What is the Least Common Multiple of 80857 and 80871?

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 80857 and 80871 is 934140921.

LCM(80857,80871) = 934140921

LCM Calculator and
and

Least Common Multiple of 80857 and 80871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80857 and 80871, than apply into the LCM equation.

GCF(80857,80871) = 7
LCM(80857,80871) = ( 80857 × 80871) / 7
LCM(80857,80871) = 6538986447 / 7
LCM(80857,80871) = 934140921

Least Common Multiple (LCM) of 80857 and 80871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80857 and 80871. First we will calculate the prime factors of 80857 and 80871.

Prime Factorization of 80857

Prime factors of 80857 are 7, 11551. Prime factorization of 80857 in exponential form is:

80857 = 71 × 115511

Prime Factorization of 80871

Prime factors of 80871 are 3, 7, 3851. Prime factorization of 80871 in exponential form is:

80871 = 31 × 71 × 38511

Now multiplying the highest exponent prime factors to calculate the LCM of 80857 and 80871.

LCM(80857,80871) = 71 × 115511 × 31 × 38511
LCM(80857,80871) = 934140921