What is the Least Common Multiple of 76040 and 76055?

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 76040 and 76055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76040 and 76055, than apply into the LCM equation.

GCF(76040,76055) = 5
LCM(76040,76055) = ( 76040 × 76055) / 5
LCM(76040,76055) = 5783222200 / 5
LCM(76040,76055) = 1156644440

Least Common Multiple (LCM) of 76040 and 76055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76040 and 76055. First we will calculate the prime factors of 76040 and 76055.

Prime Factorization of 76040

Prime Factorization of 76055

Now multiplying the highest exponent prime factors to calculate the LCM of 76040 and 76055.

LCM(76040,76055) = 2³ × 5¹ × 1901¹ × 7¹ × 41¹ × 53¹
LCM(76040,76055) = 1156644440