What is the Least Common Multiple of 76581 and 76587?

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 76581 and 76587 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76581 and 76587, than apply into the LCM equation.

GCF(76581,76587) = 3
LCM(76581,76587) = ( 76581 × 76587) / 3
LCM(76581,76587) = 5865109047 / 3
LCM(76581,76587) = 1955036349

Least Common Multiple (LCM) of 76581 and 76587 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76581 and 76587. First we will calculate the prime factors of 76581 and 76587.

Prime Factorization of 76581

Prime Factorization of 76587

Now multiplying the highest exponent prime factors to calculate the LCM of 76581 and 76587.

LCM(76581,76587) = 3² × 67¹ × 127¹ × 7² × 521¹
LCM(76581,76587) = 1955036349