What is the Least Common Multiple of 73145 and 73165?

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 73145 and 73165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73145 and 73165, than apply into the LCM equation.

GCF(73145,73165) = 5
LCM(73145,73165) = ( 73145 × 73165) / 5
LCM(73145,73165) = 5351653925 / 5
LCM(73145,73165) = 1070330785

Least Common Multiple (LCM) of 73145 and 73165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73145 and 73165. First we will calculate the prime factors of 73145 and 73165.

Prime Factorization of 73145

Prime Factorization of 73165

Now multiplying the highest exponent prime factors to calculate the LCM of 73145 and 73165.

LCM(73145,73165) = 5¹ × 14629¹ × 14633¹
LCM(73145,73165) = 1070330785