GCF and LCM Calculator Logo

What is the Least Common Multiple of 40290 and 40304?

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 40290 and 40304 is 811924080.

LCM(40290,40304) = 811924080

LCM Calculator and
and

Least Common Multiple of 40290 and 40304 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40290 and 40304, than apply into the LCM equation.

GCF(40290,40304) = 2
LCM(40290,40304) = ( 40290 × 40304) / 2
LCM(40290,40304) = 1623848160 / 2
LCM(40290,40304) = 811924080

Least Common Multiple (LCM) of 40290 and 40304 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40290 and 40304. First we will calculate the prime factors of 40290 and 40304.

Prime Factorization of 40290

Prime factors of 40290 are 2, 3, 5, 17, 79. Prime factorization of 40290 in exponential form is:

40290 = 21 × 31 × 51 × 171 × 791

Prime Factorization of 40304

Prime factors of 40304 are 2, 11, 229. Prime factorization of 40304 in exponential form is:

40304 = 24 × 111 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 40290 and 40304.

LCM(40290,40304) = 24 × 31 × 51 × 171 × 791 × 111 × 2291
LCM(40290,40304) = 811924080