What is the Least Common Multiple of 76240 and 76260?

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 76240 and 76260 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76240 and 76260, than apply into the LCM equation.

GCF(76240,76260) = 20
LCM(76240,76260) = ( 76240 × 76260) / 20
LCM(76240,76260) = 5814062400 / 20
LCM(76240,76260) = 290703120

Least Common Multiple (LCM) of 76240 and 76260 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76240 and 76260. First we will calculate the prime factors of 76240 and 76260.

Prime Factorization of 76240

Prime Factorization of 76260

Now multiplying the highest exponent prime factors to calculate the LCM of 76240 and 76260.

LCM(76240,76260) = 2⁴ × 5¹ × 953¹ × 3¹ × 31¹ × 41¹
LCM(76240,76260) = 290703120