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What is the Least Common Multiple of 40436 and 40455?

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 40436 and 40455 is 1635838380.

LCM(40436,40455) = 1635838380

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Least Common Multiple of 40436 and 40455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40436 and 40455, than apply into the LCM equation.

GCF(40436,40455) = 1
LCM(40436,40455) = ( 40436 × 40455) / 1
LCM(40436,40455) = 1635838380 / 1
LCM(40436,40455) = 1635838380

Least Common Multiple (LCM) of 40436 and 40455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40436 and 40455. First we will calculate the prime factors of 40436 and 40455.

Prime Factorization of 40436

Prime factors of 40436 are 2, 11, 919. Prime factorization of 40436 in exponential form is:

40436 = 22 × 111 × 9191

Prime Factorization of 40455

Prime factors of 40455 are 3, 5, 29, 31. Prime factorization of 40455 in exponential form is:

40455 = 32 × 51 × 291 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 40436 and 40455.

LCM(40436,40455) = 22 × 111 × 9191 × 32 × 51 × 291 × 311
LCM(40436,40455) = 1635838380