What is the Least Common Multiple of 12905 and 12916?

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 12905 and 12916 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12905 and 12916, than apply into the LCM equation.

GCF(12905,12916) = 1
LCM(12905,12916) = ( 12905 × 12916) / 1
LCM(12905,12916) = 166680980 / 1
LCM(12905,12916) = 166680980

Least Common Multiple (LCM) of 12905 and 12916 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12905 and 12916. First we will calculate the prime factors of 12905 and 12916.

Prime Factorization of 12905

Prime Factorization of 12916

Now multiplying the highest exponent prime factors to calculate the LCM of 12905 and 12916.

LCM(12905,12916) = 5¹ × 29¹ × 89¹ × 2² × 3229¹
LCM(12905,12916) = 166680980