What is the Least Common Multiple of 63997 and 64001?

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 63997 and 64001 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63997 and 64001, than apply into the LCM equation.

GCF(63997,64001) = 1
LCM(63997,64001) = ( 63997 × 64001) / 1
LCM(63997,64001) = 4095871997 / 1
LCM(63997,64001) = 4095871997

Least Common Multiple (LCM) of 63997 and 64001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63997 and 64001. First we will calculate the prime factors of 63997 and 64001.

Prime Factorization of 63997

Prime Factorization of 64001

Now multiplying the highest exponent prime factors to calculate the LCM of 63997 and 64001.

LCM(63997,64001) = 63997¹ × 7¹ × 41¹ × 223¹
LCM(63997,64001) = 4095871997