What is the Least Common Multiple of 63845 and 63865?

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 63845 and 63865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63845 and 63865, than apply into the LCM equation.

GCF(63845,63865) = 5
LCM(63845,63865) = ( 63845 × 63865) / 5
LCM(63845,63865) = 4077460925 / 5
LCM(63845,63865) = 815492185

Least Common Multiple (LCM) of 63845 and 63865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63845 and 63865. First we will calculate the prime factors of 63845 and 63865.

Prime Factorization of 63845

Prime Factorization of 63865

Now multiplying the highest exponent prime factors to calculate the LCM of 63845 and 63865.

LCM(63845,63865) = 5¹ × 113² × 53¹ × 241¹
LCM(63845,63865) = 815492185