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What is the Least Common Multiple of 40694 and 40712?

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 40694 and 40712 is 828367064.

LCM(40694,40712) = 828367064

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Least Common Multiple of 40694 and 40712 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40694 and 40712, than apply into the LCM equation.

GCF(40694,40712) = 2
LCM(40694,40712) = ( 40694 × 40712) / 2
LCM(40694,40712) = 1656734128 / 2
LCM(40694,40712) = 828367064

Least Common Multiple (LCM) of 40694 and 40712 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40694 and 40712. First we will calculate the prime factors of 40694 and 40712.

Prime Factorization of 40694

Prime factors of 40694 are 2, 20347. Prime factorization of 40694 in exponential form is:

40694 = 21 × 203471

Prime Factorization of 40712

Prime factors of 40712 are 2, 7, 727. Prime factorization of 40712 in exponential form is:

40712 = 23 × 71 × 7271

Now multiplying the highest exponent prime factors to calculate the LCM of 40694 and 40712.

LCM(40694,40712) = 23 × 203471 × 71 × 7271
LCM(40694,40712) = 828367064