GCF and LCM Calculator Logo

What is the Least Common Multiple of 40392 and 40397?

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 40392 and 40397 is 1631715624.

LCM(40392,40397) = 1631715624

LCM Calculator and
and

Least Common Multiple of 40392 and 40397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40392 and 40397, than apply into the LCM equation.

GCF(40392,40397) = 1
LCM(40392,40397) = ( 40392 × 40397) / 1
LCM(40392,40397) = 1631715624 / 1
LCM(40392,40397) = 1631715624

Least Common Multiple (LCM) of 40392 and 40397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40392 and 40397. First we will calculate the prime factors of 40392 and 40397.

Prime Factorization of 40392

Prime factors of 40392 are 2, 3, 11, 17. Prime factorization of 40392 in exponential form is:

40392 = 23 × 33 × 111 × 171

Prime Factorization of 40397

Prime factors of 40397 are 7, 29, 199. Prime factorization of 40397 in exponential form is:

40397 = 71 × 291 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 40392 and 40397.

LCM(40392,40397) = 23 × 33 × 111 × 171 × 71 × 291 × 1991
LCM(40392,40397) = 1631715624