What is the Least Common Multiple of 99945 and 99963?

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 99945 and 99963 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99945 and 99963, than apply into the LCM equation.

GCF(99945,99963) = 9
LCM(99945,99963) = ( 99945 × 99963) / 9
LCM(99945,99963) = 9990802035 / 9
LCM(99945,99963) = 1110089115

Least Common Multiple (LCM) of 99945 and 99963 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99945 and 99963. First we will calculate the prime factors of 99945 and 99963.

Prime Factorization of 99945

Prime Factorization of 99963

Now multiplying the highest exponent prime factors to calculate the LCM of 99945 and 99963.

LCM(99945,99963) = 3² × 5¹ × 2221¹ × 29¹ × 383¹
LCM(99945,99963) = 1110089115