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What is the Least Common Multiple of 40274 and 40280?

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 40274 and 40280 is 811118360.

LCM(40274,40280) = 811118360

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Least Common Multiple of 40274 and 40280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40274 and 40280, than apply into the LCM equation.

GCF(40274,40280) = 2
LCM(40274,40280) = ( 40274 × 40280) / 2
LCM(40274,40280) = 1622236720 / 2
LCM(40274,40280) = 811118360

Least Common Multiple (LCM) of 40274 and 40280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40274 and 40280. First we will calculate the prime factors of 40274 and 40280.

Prime Factorization of 40274

Prime factors of 40274 are 2, 13, 1549. Prime factorization of 40274 in exponential form is:

40274 = 21 × 131 × 15491

Prime Factorization of 40280

Prime factors of 40280 are 2, 5, 19, 53. Prime factorization of 40280 in exponential form is:

40280 = 23 × 51 × 191 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 40274 and 40280.

LCM(40274,40280) = 23 × 131 × 15491 × 51 × 191 × 531
LCM(40274,40280) = 811118360