What is the Least Common Multiple of 63538 and 63550?

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 63538 and 63550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63538 and 63550, than apply into the LCM equation.

GCF(63538,63550) = 2
LCM(63538,63550) = ( 63538 × 63550) / 2
LCM(63538,63550) = 4037839900 / 2
LCM(63538,63550) = 2018919950

Least Common Multiple (LCM) of 63538 and 63550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63538 and 63550. First we will calculate the prime factors of 63538 and 63550.

Prime Factorization of 63538

Prime Factorization of 63550

Now multiplying the highest exponent prime factors to calculate the LCM of 63538 and 63550.

LCM(63538,63550) = 2¹ × 31769¹ × 5² × 31¹ × 41¹
LCM(63538,63550) = 2018919950