What is the Least Common Multiple of 63115 and 63128?

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 63115 and 63128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63115 and 63128, than apply into the LCM equation.

GCF(63115,63128) = 13
LCM(63115,63128) = ( 63115 × 63128) / 13
LCM(63115,63128) = 3984323720 / 13
LCM(63115,63128) = 306486440

Least Common Multiple (LCM) of 63115 and 63128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63115 and 63128. First we will calculate the prime factors of 63115 and 63128.

Prime Factorization of 63115

Prime Factorization of 63128

Now multiplying the highest exponent prime factors to calculate the LCM of 63115 and 63128.

LCM(63115,63128) = 5¹ × 13¹ × 971¹ × 2³ × 607¹
LCM(63115,63128) = 306486440