GCF and LCM Calculator Logo

What is the Least Common Multiple of 40572 and 40582?

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 40572 and 40582 is 823246452.

LCM(40572,40582) = 823246452

LCM Calculator and
and

Least Common Multiple of 40572 and 40582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40572 and 40582, than apply into the LCM equation.

GCF(40572,40582) = 2
LCM(40572,40582) = ( 40572 × 40582) / 2
LCM(40572,40582) = 1646492904 / 2
LCM(40572,40582) = 823246452

Least Common Multiple (LCM) of 40572 and 40582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40572 and 40582. First we will calculate the prime factors of 40572 and 40582.

Prime Factorization of 40572

Prime factors of 40572 are 2, 3, 7, 23. Prime factorization of 40572 in exponential form is:

40572 = 22 × 32 × 72 × 231

Prime Factorization of 40582

Prime factors of 40582 are 2, 103, 197. Prime factorization of 40582 in exponential form is:

40582 = 21 × 1031 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 40572 and 40582.

LCM(40572,40582) = 22 × 32 × 72 × 231 × 1031 × 1971
LCM(40572,40582) = 823246452