What is the Least Common Multiple of 87540 and 87545?

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 87540 and 87545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87540 and 87545, than apply into the LCM equation.

GCF(87540,87545) = 5
LCM(87540,87545) = ( 87540 × 87545) / 5
LCM(87540,87545) = 7663689300 / 5
LCM(87540,87545) = 1532737860

Least Common Multiple (LCM) of 87540 and 87545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87540 and 87545. First we will calculate the prime factors of 87540 and 87545.

Prime Factorization of 87540

Prime Factorization of 87545

Now multiplying the highest exponent prime factors to calculate the LCM of 87540 and 87545.

LCM(87540,87545) = 2² × 3¹ × 5¹ × 1459¹ × 17509¹
LCM(87540,87545) = 1532737860