What is the Least Common Multiple of 72985 and 73005?

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 72985 and 73005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72985 and 73005, than apply into the LCM equation.

GCF(72985,73005) = 5
LCM(72985,73005) = ( 72985 × 73005) / 5
LCM(72985,73005) = 5328269925 / 5
LCM(72985,73005) = 1065653985

Least Common Multiple (LCM) of 72985 and 73005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72985 and 73005. First we will calculate the prime factors of 72985 and 73005.

Prime Factorization of 72985

Prime Factorization of 73005

Now multiplying the highest exponent prime factors to calculate the LCM of 72985 and 73005.

LCM(72985,73005) = 5¹ × 11¹ × 1327¹ × 3¹ × 31¹ × 157¹
LCM(72985,73005) = 1065653985