What is the Least Common Multiple of 90381 and 90385?

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 90381 and 90385 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90381 and 90385, than apply into the LCM equation.

GCF(90381,90385) = 1
LCM(90381,90385) = ( 90381 × 90385) / 1
LCM(90381,90385) = 8169086685 / 1
LCM(90381,90385) = 8169086685

Least Common Multiple (LCM) of 90381 and 90385 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90381 and 90385. First we will calculate the prime factors of 90381 and 90385.

Prime Factorization of 90381

Prime Factorization of 90385

Now multiplying the highest exponent prime factors to calculate the LCM of 90381 and 90385.

LCM(90381,90385) = 3¹ × 47¹ × 641¹ × 5¹ × 18077¹
LCM(90381,90385) = 8169086685