What is the Least Common Multiple of 55105 and 55115?

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 55105 and 55115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55105 and 55115, than apply into the LCM equation.

GCF(55105,55115) = 5
LCM(55105,55115) = ( 55105 × 55115) / 5
LCM(55105,55115) = 3037112075 / 5
LCM(55105,55115) = 607422415

Least Common Multiple (LCM) of 55105 and 55115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55105 and 55115. First we will calculate the prime factors of 55105 and 55115.

Prime Factorization of 55105

Prime Factorization of 55115

Now multiplying the highest exponent prime factors to calculate the LCM of 55105 and 55115.

LCM(55105,55115) = 5¹ × 103¹ × 107¹ × 73¹ × 151¹
LCM(55105,55115) = 607422415