What is the Least Common Multiple of 30309 and 30315?

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 30309 and 30315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30309 and 30315, than apply into the LCM equation.

GCF(30309,30315) = 3
LCM(30309,30315) = ( 30309 × 30315) / 3
LCM(30309,30315) = 918817335 / 3
LCM(30309,30315) = 306272445

Least Common Multiple (LCM) of 30309 and 30315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30309 and 30315. First we will calculate the prime factors of 30309 and 30315.

Prime Factorization of 30309

Prime Factorization of 30315

Now multiplying the highest exponent prime factors to calculate the LCM of 30309 and 30315.

LCM(30309,30315) = 3¹ × 10103¹ × 5¹ × 43¹ × 47¹
LCM(30309,30315) = 306272445