What is the Least Common Multiple of 31615 and 31619?

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 31615 and 31619 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31615 and 31619, than apply into the LCM equation.

GCF(31615,31619) = 1
LCM(31615,31619) = ( 31615 × 31619) / 1
LCM(31615,31619) = 999634685 / 1
LCM(31615,31619) = 999634685

Least Common Multiple (LCM) of 31615 and 31619 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31615 and 31619. First we will calculate the prime factors of 31615 and 31619.

Prime Factorization of 31615

Prime Factorization of 31619

Now multiplying the highest exponent prime factors to calculate the LCM of 31615 and 31619.

LCM(31615,31619) = 5¹ × 6323¹ × 7¹ × 4517¹
LCM(31615,31619) = 999634685