What is the Least Common Multiple of 11870 and 11885?

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 11870 and 11885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11870 and 11885, than apply into the LCM equation.

GCF(11870,11885) = 5
LCM(11870,11885) = ( 11870 × 11885) / 5
LCM(11870,11885) = 141074950 / 5
LCM(11870,11885) = 28214990

Least Common Multiple (LCM) of 11870 and 11885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11870 and 11885. First we will calculate the prime factors of 11870 and 11885.

Prime Factorization of 11870

Prime Factorization of 11885

Now multiplying the highest exponent prime factors to calculate the LCM of 11870 and 11885.

LCM(11870,11885) = 2¹ × 5¹ × 1187¹ × 2377¹
LCM(11870,11885) = 28214990