What is the Least Common Multiple of 99856 and 99860?

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 99856 and 99860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99856 and 99860, than apply into the LCM equation.

GCF(99856,99860) = 4
LCM(99856,99860) = ( 99856 × 99860) / 4
LCM(99856,99860) = 9971620160 / 4
LCM(99856,99860) = 2492905040

Least Common Multiple (LCM) of 99856 and 99860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99856 and 99860. First we will calculate the prime factors of 99856 and 99860.

Prime Factorization of 99856

Prime Factorization of 99860

Now multiplying the highest exponent prime factors to calculate the LCM of 99856 and 99860.

LCM(99856,99860) = 2⁴ × 79² × 5¹ × 4993¹
LCM(99856,99860) = 2492905040