What is the Least Common Multiple of 75205 and 75215?

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 75205 and 75215 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75205 and 75215, than apply into the LCM equation.

GCF(75205,75215) = 5
LCM(75205,75215) = ( 75205 × 75215) / 5
LCM(75205,75215) = 5656544075 / 5
LCM(75205,75215) = 1131308815

Least Common Multiple (LCM) of 75205 and 75215 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75205 and 75215. First we will calculate the prime factors of 75205 and 75215.

Prime Factorization of 75205

Prime Factorization of 75215

Now multiplying the highest exponent prime factors to calculate the LCM of 75205 and 75215.

LCM(75205,75215) = 5¹ × 13² × 89¹ × 7² × 307¹
LCM(75205,75215) = 1131308815