What is the Least Common Multiple of 76407 and 76419?

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 76407 and 76419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76407 and 76419, than apply into the LCM equation.

GCF(76407,76419) = 3
LCM(76407,76419) = ( 76407 × 76419) / 3
LCM(76407,76419) = 5838946533 / 3
LCM(76407,76419) = 1946315511

Least Common Multiple (LCM) of 76407 and 76419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76407 and 76419. First we will calculate the prime factors of 76407 and 76419.

Prime Factorization of 76407

Prime Factorization of 76419

Now multiplying the highest exponent prime factors to calculate the LCM of 76407 and 76419.

LCM(76407,76419) = 3² × 25469¹ × 7¹ × 1213¹
LCM(76407,76419) = 1946315511