GCF and LCM Calculator Logo

What is the Least Common Multiple of 40460 and 40472?

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 40460 and 40472 is 409374280.

LCM(40460,40472) = 409374280

LCM Calculator and
and

Least Common Multiple of 40460 and 40472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40460 and 40472, than apply into the LCM equation.

GCF(40460,40472) = 4
LCM(40460,40472) = ( 40460 × 40472) / 4
LCM(40460,40472) = 1637497120 / 4
LCM(40460,40472) = 409374280

Least Common Multiple (LCM) of 40460 and 40472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40460 and 40472. First we will calculate the prime factors of 40460 and 40472.

Prime Factorization of 40460

Prime factors of 40460 are 2, 5, 7, 17. Prime factorization of 40460 in exponential form is:

40460 = 22 × 51 × 71 × 172

Prime Factorization of 40472

Prime factors of 40472 are 2, 5059. Prime factorization of 40472 in exponential form is:

40472 = 23 × 50591

Now multiplying the highest exponent prime factors to calculate the LCM of 40460 and 40472.

LCM(40460,40472) = 23 × 51 × 71 × 172 × 50591
LCM(40460,40472) = 409374280