What is the Least Common Multiple of 84870 and 84884?

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 84870 and 84884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84870 and 84884, than apply into the LCM equation.

GCF(84870,84884) = 2
LCM(84870,84884) = ( 84870 × 84884) / 2
LCM(84870,84884) = 7204105080 / 2
LCM(84870,84884) = 3602052540

Least Common Multiple (LCM) of 84870 and 84884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84870 and 84884. First we will calculate the prime factors of 84870 and 84884.

Prime Factorization of 84870

Prime Factorization of 84884

Now multiplying the highest exponent prime factors to calculate the LCM of 84870 and 84884.

LCM(84870,84884) = 2² × 3² × 5¹ × 23¹ × 41¹ × 21221¹
LCM(84870,84884) = 3602052540