What is the Least Common Multiple of 2909 and 2921?

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 2909 and 2921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2909 and 2921, than apply into the LCM equation.

GCF(2909,2921) = 1
LCM(2909,2921) = ( 2909 × 2921) / 1
LCM(2909,2921) = 8497189 / 1
LCM(2909,2921) = 8497189

Least Common Multiple (LCM) of 2909 and 2921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2909 and 2921. First we will calculate the prime factors of 2909 and 2921.

Prime Factorization of 2909

Prime Factorization of 2921

Now multiplying the highest exponent prime factors to calculate the LCM of 2909 and 2921.

LCM(2909,2921) = 2909¹ × 23¹ × 127¹
LCM(2909,2921) = 8497189