What is the Least Common Multiple of 20312 and 20330?

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 20312 and 20330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20312 and 20330, than apply into the LCM equation.

GCF(20312,20330) = 2
LCM(20312,20330) = ( 20312 × 20330) / 2
LCM(20312,20330) = 412942960 / 2
LCM(20312,20330) = 206471480

Least Common Multiple (LCM) of 20312 and 20330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20312 and 20330. First we will calculate the prime factors of 20312 and 20330.

Prime Factorization of 20312

Prime Factorization of 20330

Now multiplying the highest exponent prime factors to calculate the LCM of 20312 and 20330.

LCM(20312,20330) = 2³ × 2539¹ × 5¹ × 19¹ × 107¹
LCM(20312,20330) = 206471480