GCF and LCM Calculator Logo

What is the Least Common Multiple of 64243 and 64257?

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 64243 and 64257 is 4128062451.

LCM(64243,64257) = 4128062451

LCM Calculator and
and

Least Common Multiple of 64243 and 64257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64243 and 64257, than apply into the LCM equation.

GCF(64243,64257) = 1
LCM(64243,64257) = ( 64243 × 64257) / 1
LCM(64243,64257) = 4128062451 / 1
LCM(64243,64257) = 4128062451

Least Common Multiple (LCM) of 64243 and 64257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64243 and 64257. First we will calculate the prime factors of 64243 and 64257.

Prime Factorization of 64243

Prime factors of 64243 are 17, 3779. Prime factorization of 64243 in exponential form is:

64243 = 171 × 37791

Prime Factorization of 64257

Prime factors of 64257 are 3, 21419. Prime factorization of 64257 in exponential form is:

64257 = 31 × 214191

Now multiplying the highest exponent prime factors to calculate the LCM of 64243 and 64257.

LCM(64243,64257) = 171 × 37791 × 31 × 214191
LCM(64243,64257) = 4128062451