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What is the Least Common Multiple of 40791 and 40798?

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 40791 and 40798 is 1664191218.

LCM(40791,40798) = 1664191218

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Least Common Multiple of 40791 and 40798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40791 and 40798, than apply into the LCM equation.

GCF(40791,40798) = 1
LCM(40791,40798) = ( 40791 × 40798) / 1
LCM(40791,40798) = 1664191218 / 1
LCM(40791,40798) = 1664191218

Least Common Multiple (LCM) of 40791 and 40798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40791 and 40798. First we will calculate the prime factors of 40791 and 40798.

Prime Factorization of 40791

Prime factors of 40791 are 3, 13597. Prime factorization of 40791 in exponential form is:

40791 = 31 × 135971

Prime Factorization of 40798

Prime factors of 40798 are 2, 20399. Prime factorization of 40798 in exponential form is:

40798 = 21 × 203991

Now multiplying the highest exponent prime factors to calculate the LCM of 40791 and 40798.

LCM(40791,40798) = 31 × 135971 × 21 × 203991
LCM(40791,40798) = 1664191218