GCF and LCM Calculator Logo

What is the Least Common Multiple of 31486 and 31503?

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 31486 and 31503 is 991903458.

LCM(31486,31503) = 991903458

LCM Calculator and
and

Least Common Multiple of 31486 and 31503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31486 and 31503, than apply into the LCM equation.

GCF(31486,31503) = 1
LCM(31486,31503) = ( 31486 × 31503) / 1
LCM(31486,31503) = 991903458 / 1
LCM(31486,31503) = 991903458

Least Common Multiple (LCM) of 31486 and 31503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31486 and 31503. First we will calculate the prime factors of 31486 and 31503.

Prime Factorization of 31486

Prime factors of 31486 are 2, 7, 13, 173. Prime factorization of 31486 in exponential form is:

31486 = 21 × 71 × 131 × 1731

Prime Factorization of 31503

Prime factors of 31503 are 3, 10501. Prime factorization of 31503 in exponential form is:

31503 = 31 × 105011

Now multiplying the highest exponent prime factors to calculate the LCM of 31486 and 31503.

LCM(31486,31503) = 21 × 71 × 131 × 1731 × 31 × 105011
LCM(31486,31503) = 991903458