GCF and LCM Calculator Logo

What is the Least Common Multiple of 31862 and 31880?

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 31862 and 31880 is 507880280.

LCM(31862,31880) = 507880280

LCM Calculator and
and

Least Common Multiple of 31862 and 31880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31862 and 31880, than apply into the LCM equation.

GCF(31862,31880) = 2
LCM(31862,31880) = ( 31862 × 31880) / 2
LCM(31862,31880) = 1015760560 / 2
LCM(31862,31880) = 507880280

Least Common Multiple (LCM) of 31862 and 31880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31862 and 31880. First we will calculate the prime factors of 31862 and 31880.

Prime Factorization of 31862

Prime factors of 31862 are 2, 89, 179. Prime factorization of 31862 in exponential form is:

31862 = 21 × 891 × 1791

Prime Factorization of 31880

Prime factors of 31880 are 2, 5, 797. Prime factorization of 31880 in exponential form is:

31880 = 23 × 51 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 31862 and 31880.

LCM(31862,31880) = 23 × 891 × 1791 × 51 × 7971
LCM(31862,31880) = 507880280