GCF and LCM Calculator Logo

What is the Least Common Multiple of 63992 and 64005?

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 63992 and 64005 is 4095807960.

LCM(63992,64005) = 4095807960

LCM Calculator and
and

Least Common Multiple of 63992 and 64005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63992 and 64005, than apply into the LCM equation.

GCF(63992,64005) = 1
LCM(63992,64005) = ( 63992 × 64005) / 1
LCM(63992,64005) = 4095807960 / 1
LCM(63992,64005) = 4095807960

Least Common Multiple (LCM) of 63992 and 64005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63992 and 64005. First we will calculate the prime factors of 63992 and 64005.

Prime Factorization of 63992

Prime factors of 63992 are 2, 19, 421. Prime factorization of 63992 in exponential form is:

63992 = 23 × 191 × 4211

Prime Factorization of 64005

Prime factors of 64005 are 3, 5, 17, 251. Prime factorization of 64005 in exponential form is:

64005 = 31 × 51 × 171 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 63992 and 64005.

LCM(63992,64005) = 23 × 191 × 4211 × 31 × 51 × 171 × 2511
LCM(63992,64005) = 4095807960