What is the Least Common Multiple of 10905 and 10916?

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 10905 and 10916 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10905 and 10916, than apply into the LCM equation.

GCF(10905,10916) = 1
LCM(10905,10916) = ( 10905 × 10916) / 1
LCM(10905,10916) = 119038980 / 1
LCM(10905,10916) = 119038980

Least Common Multiple (LCM) of 10905 and 10916 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10905 and 10916. First we will calculate the prime factors of 10905 and 10916.

Prime Factorization of 10905

Prime Factorization of 10916

Now multiplying the highest exponent prime factors to calculate the LCM of 10905 and 10916.

LCM(10905,10916) = 3¹ × 5¹ × 727¹ × 2² × 2729¹
LCM(10905,10916) = 119038980