What is the Least Common Multiple of 87381 and 87387?

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 87381 and 87387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87381 and 87387, than apply into the LCM equation.

GCF(87381,87387) = 3
LCM(87381,87387) = ( 87381 × 87387) / 3
LCM(87381,87387) = 7635963447 / 3
LCM(87381,87387) = 2545321149

Least Common Multiple (LCM) of 87381 and 87387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87381 and 87387. First we will calculate the prime factors of 87381 and 87387.

Prime Factorization of 87381

Prime Factorization of 87387

Now multiplying the highest exponent prime factors to calculate the LCM of 87381 and 87387.

LCM(87381,87387) = 3² × 7¹ × 19¹ × 73¹ × 29129¹
LCM(87381,87387) = 2545321149