What is the Least Common Multiple of 31486 and 31499?

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 of 31486 and 31499 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 31499, than apply into the LCM equation.

GCF(31486,31499) = 13
LCM(31486,31499) = ( 31486 × 31499) / 13
LCM(31486,31499) = 991777514 / 13
LCM(31486,31499) = 76290578

Least Common Multiple (LCM) of 31486 and 31499 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31486 and 31499. First we will calculate the prime factors of 31486 and 31499.

Prime Factorization of 31486

Prime Factorization of 31499

Now multiplying the highest exponent prime factors to calculate the LCM of 31486 and 31499.

LCM(31486,31499) = 2¹ × 7¹ × 13¹ × 173¹ × 2423¹
LCM(31486,31499) = 76290578