What is the Least Common Multiple of 30531 and 30540?

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 30531 and 30540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30531 and 30540, than apply into the LCM equation.

GCF(30531,30540) = 3
LCM(30531,30540) = ( 30531 × 30540) / 3
LCM(30531,30540) = 932416740 / 3
LCM(30531,30540) = 310805580

Least Common Multiple (LCM) of 30531 and 30540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30531 and 30540. First we will calculate the prime factors of 30531 and 30540.

Prime Factorization of 30531

Prime Factorization of 30540

Now multiplying the highest exponent prime factors to calculate the LCM of 30531 and 30540.

LCM(30531,30540) = 3¹ × 10177¹ × 2² × 5¹ × 509¹
LCM(30531,30540) = 310805580