What is the Least Common Multiple of 69870 and 69885?

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 69870 and 69885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69870 and 69885, than apply into the LCM equation.

GCF(69870,69885) = 15
LCM(69870,69885) = ( 69870 × 69885) / 15
LCM(69870,69885) = 4882864950 / 15
LCM(69870,69885) = 325524330

Least Common Multiple (LCM) of 69870 and 69885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69870 and 69885. First we will calculate the prime factors of 69870 and 69885.

Prime Factorization of 69870

Prime Factorization of 69885

Now multiplying the highest exponent prime factors to calculate the LCM of 69870 and 69885.

LCM(69870,69885) = 2¹ × 3² × 5¹ × 17¹ × 137¹ × 1553¹
LCM(69870,69885) = 325524330