What is the Least Common Multiple of 43100 and 43115?

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 43100 and 43115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43100 and 43115, than apply into the LCM equation.

GCF(43100,43115) = 5
LCM(43100,43115) = ( 43100 × 43115) / 5
LCM(43100,43115) = 1858256500 / 5
LCM(43100,43115) = 371651300

Least Common Multiple (LCM) of 43100 and 43115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43100 and 43115. First we will calculate the prime factors of 43100 and 43115.

Prime Factorization of 43100

Prime Factorization of 43115

Now multiplying the highest exponent prime factors to calculate the LCM of 43100 and 43115.

LCM(43100,43115) = 2² × 5² × 431¹ × 8623¹
LCM(43100,43115) = 371651300