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What is the Least Common Multiple of 40774 and 40782?

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 40774 and 40782 is 831422634.

LCM(40774,40782) = 831422634

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Least Common Multiple of 40774 and 40782 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40774 and 40782, than apply into the LCM equation.

GCF(40774,40782) = 2
LCM(40774,40782) = ( 40774 × 40782) / 2
LCM(40774,40782) = 1662845268 / 2
LCM(40774,40782) = 831422634

Least Common Multiple (LCM) of 40774 and 40782 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40774 and 40782. First we will calculate the prime factors of 40774 and 40782.

Prime Factorization of 40774

Prime factors of 40774 are 2, 19, 29, 37. Prime factorization of 40774 in exponential form is:

40774 = 21 × 191 × 291 × 371

Prime Factorization of 40782

Prime factors of 40782 are 2, 3, 7, 971. Prime factorization of 40782 in exponential form is:

40782 = 21 × 31 × 71 × 9711

Now multiplying the highest exponent prime factors to calculate the LCM of 40774 and 40782.

LCM(40774,40782) = 21 × 191 × 291 × 371 × 31 × 71 × 9711
LCM(40774,40782) = 831422634