GCF and LCM Calculator Logo

What is the Least Common Multiple of 64393 and 64403?

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 64393 and 64403 is 4147102379.

LCM(64393,64403) = 4147102379

LCM Calculator and
and

Least Common Multiple of 64393 and 64403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64393 and 64403, than apply into the LCM equation.

GCF(64393,64403) = 1
LCM(64393,64403) = ( 64393 × 64403) / 1
LCM(64393,64403) = 4147102379 / 1
LCM(64393,64403) = 4147102379

Least Common Multiple (LCM) of 64393 and 64403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64393 and 64403. First we will calculate the prime factors of 64393 and 64403.

Prime Factorization of 64393

Prime factors of 64393 are 7, 9199. Prime factorization of 64393 in exponential form is:

64393 = 71 × 91991

Prime Factorization of 64403

Prime factors of 64403 are 64403. Prime factorization of 64403 in exponential form is:

64403 = 644031

Now multiplying the highest exponent prime factors to calculate the LCM of 64393 and 64403.

LCM(64393,64403) = 71 × 91991 × 644031
LCM(64393,64403) = 4147102379