GCF and LCM Calculator Logo

What is the Least Common Multiple of 63503 and 63520?

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 (LCM) of 63503 and 63520 is 4033710560.

LCM(63503,63520) = 4033710560

LCM Calculator and
and

Least Common Multiple of 63503 and 63520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63503 and 63520, than apply into the LCM equation.

GCF(63503,63520) = 1
LCM(63503,63520) = ( 63503 × 63520) / 1
LCM(63503,63520) = 4033710560 / 1
LCM(63503,63520) = 4033710560

Least Common Multiple (LCM) of 63503 and 63520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63503 and 63520. First we will calculate the prime factors of 63503 and 63520.

Prime Factorization of 63503

Prime factors of 63503 are 11, 23, 251. Prime factorization of 63503 in exponential form is:

63503 = 111 × 231 × 2511

Prime Factorization of 63520

Prime factors of 63520 are 2, 5, 397. Prime factorization of 63520 in exponential form is:

63520 = 25 × 51 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 63503 and 63520.

LCM(63503,63520) = 111 × 231 × 2511 × 25 × 51 × 3971
LCM(63503,63520) = 4033710560