What is the Least Common Multiple of 30489 and 30509?

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 30489 and 30509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30489 and 30509, than apply into the LCM equation.

GCF(30489,30509) = 1
LCM(30489,30509) = ( 30489 × 30509) / 1
LCM(30489,30509) = 930188901 / 1
LCM(30489,30509) = 930188901

Least Common Multiple (LCM) of 30489 and 30509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30489 and 30509. First we will calculate the prime factors of 30489 and 30509.

Prime Factorization of 30489

Prime Factorization of 30509

Now multiplying the highest exponent prime factors to calculate the LCM of 30489 and 30509.

LCM(30489,30509) = 3¹ × 10163¹ × 30509¹
LCM(30489,30509) = 930188901