What is the Least Common Multiple of 22740 and 22744?

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 22740 and 22744 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22740 and 22744, than apply into the LCM equation.

GCF(22740,22744) = 4
LCM(22740,22744) = ( 22740 × 22744) / 4
LCM(22740,22744) = 517198560 / 4
LCM(22740,22744) = 129299640

Least Common Multiple (LCM) of 22740 and 22744 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22740 and 22744. First we will calculate the prime factors of 22740 and 22744.

Prime Factorization of 22740

Prime Factorization of 22744

Now multiplying the highest exponent prime factors to calculate the LCM of 22740 and 22744.

LCM(22740,22744) = 2³ × 3¹ × 5¹ × 379¹ × 2843¹
LCM(22740,22744) = 129299640