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What is the Least Common Multiple of 40256 and 40274?

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 40256 and 40274 is 810635072.

LCM(40256,40274) = 810635072

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Least Common Multiple of 40256 and 40274 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40256 and 40274, than apply into the LCM equation.

GCF(40256,40274) = 2
LCM(40256,40274) = ( 40256 × 40274) / 2
LCM(40256,40274) = 1621270144 / 2
LCM(40256,40274) = 810635072

Least Common Multiple (LCM) of 40256 and 40274 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40256 and 40274. First we will calculate the prime factors of 40256 and 40274.

Prime Factorization of 40256

Prime factors of 40256 are 2, 17, 37. Prime factorization of 40256 in exponential form is:

40256 = 26 × 171 × 371

Prime Factorization of 40274

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

40274 = 21 × 131 × 15491

Now multiplying the highest exponent prime factors to calculate the LCM of 40256 and 40274.

LCM(40256,40274) = 26 × 171 × 371 × 131 × 15491
LCM(40256,40274) = 810635072