GCF and LCM Calculator Logo

What is the Least Common Multiple of 40392 and 40410?

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 40410 is 90680040.

LCM(40392,40410) = 90680040

LCM Calculator and
and

Least Common Multiple of 40392 and 40410 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 40410, than apply into the LCM equation.

GCF(40392,40410) = 18
LCM(40392,40410) = ( 40392 × 40410) / 18
LCM(40392,40410) = 1632240720 / 18
LCM(40392,40410) = 90680040

Least Common Multiple (LCM) of 40392 and 40410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40392 and 40410. First we will calculate the prime factors of 40392 and 40410.

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 40410

Prime factors of 40410 are 2, 3, 5, 449. Prime factorization of 40410 in exponential form is:

40410 = 21 × 32 × 51 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 40392 and 40410.

LCM(40392,40410) = 23 × 33 × 111 × 171 × 51 × 4491
LCM(40392,40410) = 90680040