What is the Least Common Multiple of 4309 and 4315?

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 4309 and 4315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4309 and 4315, than apply into the LCM equation.

GCF(4309,4315) = 1
LCM(4309,4315) = ( 4309 × 4315) / 1
LCM(4309,4315) = 18593335 / 1
LCM(4309,4315) = 18593335

Least Common Multiple (LCM) of 4309 and 4315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4309 and 4315. First we will calculate the prime factors of 4309 and 4315.

Prime Factorization of 4309

Prime Factorization of 4315

Now multiplying the highest exponent prime factors to calculate the LCM of 4309 and 4315.

LCM(4309,4315) = 31¹ × 139¹ × 5¹ × 863¹
LCM(4309,4315) = 18593335