GCF and LCM Calculator Logo

What is the Least Common Multiple of 40630 and 40647?

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 40630 and 40647 is 97146330.

LCM(40630,40647) = 97146330

LCM Calculator and
and

Least Common Multiple of 40630 and 40647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40630 and 40647, than apply into the LCM equation.

GCF(40630,40647) = 17
LCM(40630,40647) = ( 40630 × 40647) / 17
LCM(40630,40647) = 1651487610 / 17
LCM(40630,40647) = 97146330

Least Common Multiple (LCM) of 40630 and 40647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40630 and 40647. First we will calculate the prime factors of 40630 and 40647.

Prime Factorization of 40630

Prime factors of 40630 are 2, 5, 17, 239. Prime factorization of 40630 in exponential form is:

40630 = 21 × 51 × 171 × 2391

Prime Factorization of 40647

Prime factors of 40647 are 3, 17, 797. Prime factorization of 40647 in exponential form is:

40647 = 31 × 171 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 40630 and 40647.

LCM(40630,40647) = 21 × 51 × 171 × 2391 × 31 × 7971
LCM(40630,40647) = 97146330