What is the Least Common Multiple of 87555 and 87560?

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 87555 and 87560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87555 and 87560, than apply into the LCM equation.

GCF(87555,87560) = 5
LCM(87555,87560) = ( 87555 × 87560) / 5
LCM(87555,87560) = 7666315800 / 5
LCM(87555,87560) = 1533263160

Least Common Multiple (LCM) of 87555 and 87560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87555 and 87560. First we will calculate the prime factors of 87555 and 87560.

Prime Factorization of 87555

Prime Factorization of 87560

Now multiplying the highest exponent prime factors to calculate the LCM of 87555 and 87560.

LCM(87555,87560) = 3¹ × 5¹ × 13¹ × 449¹ × 2³ × 11¹ × 199¹
LCM(87555,87560) = 1533263160