What is the Least Common Multiple of 63885 and 63891?

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 63885 and 63891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63885 and 63891, than apply into the LCM equation.

GCF(63885,63891) = 3
LCM(63885,63891) = ( 63885 × 63891) / 3
LCM(63885,63891) = 4081676535 / 3
LCM(63885,63891) = 1360558845

Least Common Multiple (LCM) of 63885 and 63891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63885 and 63891. First we will calculate the prime factors of 63885 and 63891.

Prime Factorization of 63885

Prime Factorization of 63891

Now multiplying the highest exponent prime factors to calculate the LCM of 63885 and 63891.

LCM(63885,63891) = 3² × 5¹ × 4259¹ × 31¹ × 229¹
LCM(63885,63891) = 1360558845