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What is the Least Common Multiple of 31794 and 31809?

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 31794 and 31809 is 337111782.

LCM(31794,31809) = 337111782

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Least Common Multiple of 31794 and 31809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31794 and 31809, than apply into the LCM equation.

GCF(31794,31809) = 3
LCM(31794,31809) = ( 31794 × 31809) / 3
LCM(31794,31809) = 1011335346 / 3
LCM(31794,31809) = 337111782

Least Common Multiple (LCM) of 31794 and 31809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31794 and 31809. First we will calculate the prime factors of 31794 and 31809.

Prime Factorization of 31794

Prime factors of 31794 are 2, 3, 7, 757. Prime factorization of 31794 in exponential form is:

31794 = 21 × 31 × 71 × 7571

Prime Factorization of 31809

Prime factors of 31809 are 3, 23, 461. Prime factorization of 31809 in exponential form is:

31809 = 31 × 231 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 31794 and 31809.

LCM(31794,31809) = 21 × 31 × 71 × 7571 × 231 × 4611
LCM(31794,31809) = 337111782