What is the Least Common Multiple of 22105 and 22115?

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 22105 and 22115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22105 and 22115, than apply into the LCM equation.

GCF(22105,22115) = 5
LCM(22105,22115) = ( 22105 × 22115) / 5
LCM(22105,22115) = 488852075 / 5
LCM(22105,22115) = 97770415

Least Common Multiple (LCM) of 22105 and 22115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22105 and 22115. First we will calculate the prime factors of 22105 and 22115.

Prime Factorization of 22105

Prime Factorization of 22115

Now multiplying the highest exponent prime factors to calculate the LCM of 22105 and 22115.

LCM(22105,22115) = 5¹ × 4421¹ × 4423¹
LCM(22105,22115) = 97770415