GCF and LCM Calculator Logo

What is the Least Common Multiple of 80920 and 80931?

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 80920 and 80931 is 6548936520.

LCM(80920,80931) = 6548936520

LCM Calculator and
and

Least Common Multiple of 80920 and 80931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80920 and 80931, than apply into the LCM equation.

GCF(80920,80931) = 1
LCM(80920,80931) = ( 80920 × 80931) / 1
LCM(80920,80931) = 6548936520 / 1
LCM(80920,80931) = 6548936520

Least Common Multiple (LCM) of 80920 and 80931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80920 and 80931. First we will calculate the prime factors of 80920 and 80931.

Prime Factorization of 80920

Prime factors of 80920 are 2, 5, 7, 17. Prime factorization of 80920 in exponential form is:

80920 = 23 × 51 × 71 × 172

Prime Factorization of 80931

Prime factors of 80931 are 3, 53, 509. Prime factorization of 80931 in exponential form is:

80931 = 31 × 531 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 80920 and 80931.

LCM(80920,80931) = 23 × 51 × 71 × 172 × 31 × 531 × 5091
LCM(80920,80931) = 6548936520