GCF and LCM Calculator Logo

What is the Least Common Multiple of 23401 and 23415?

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 23401 and 23415 is 78276345.

LCM(23401,23415) = 78276345

LCM Calculator and
and

Least Common Multiple of 23401 and 23415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23401 and 23415, than apply into the LCM equation.

GCF(23401,23415) = 7
LCM(23401,23415) = ( 23401 × 23415) / 7
LCM(23401,23415) = 547934415 / 7
LCM(23401,23415) = 78276345

Least Common Multiple (LCM) of 23401 and 23415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23401 and 23415. First we will calculate the prime factors of 23401 and 23415.

Prime Factorization of 23401

Prime factors of 23401 are 7, 3343. Prime factorization of 23401 in exponential form is:

23401 = 71 × 33431

Prime Factorization of 23415

Prime factors of 23415 are 3, 5, 7, 223. Prime factorization of 23415 in exponential form is:

23415 = 31 × 51 × 71 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 23401 and 23415.

LCM(23401,23415) = 71 × 33431 × 31 × 51 × 2231
LCM(23401,23415) = 78276345