What is the Least Common Multiple of 38670 and 38685?

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 38670 and 38685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38670 and 38685, than apply into the LCM equation.

GCF(38670,38685) = 15
LCM(38670,38685) = ( 38670 × 38685) / 15
LCM(38670,38685) = 1495948950 / 15
LCM(38670,38685) = 99729930

Least Common Multiple (LCM) of 38670 and 38685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38670 and 38685. First we will calculate the prime factors of 38670 and 38685.

Prime Factorization of 38670

Prime Factorization of 38685

Now multiplying the highest exponent prime factors to calculate the LCM of 38670 and 38685.

LCM(38670,38685) = 2¹ × 3¹ × 5¹ × 1289¹ × 2579¹
LCM(38670,38685) = 99729930