What is the Least Common Multiple of 89870 and 89885?

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 89870 and 89885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89870 and 89885, than apply into the LCM equation.

GCF(89870,89885) = 5
LCM(89870,89885) = ( 89870 × 89885) / 5
LCM(89870,89885) = 8077964950 / 5
LCM(89870,89885) = 1615592990

Least Common Multiple (LCM) of 89870 and 89885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89870 and 89885. First we will calculate the prime factors of 89870 and 89885.

Prime Factorization of 89870

Prime Factorization of 89885

Now multiplying the highest exponent prime factors to calculate the LCM of 89870 and 89885.

LCM(89870,89885) = 2¹ × 5¹ × 11¹ × 19¹ × 43¹ × 17977¹
LCM(89870,89885) = 1615592990