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What is the Least Common Multiple of 20683 and 20694?

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 20683 and 20694 is 428014002.

LCM(20683,20694) = 428014002

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Least Common Multiple of 20683 and 20694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20683 and 20694, than apply into the LCM equation.

GCF(20683,20694) = 1
LCM(20683,20694) = ( 20683 × 20694) / 1
LCM(20683,20694) = 428014002 / 1
LCM(20683,20694) = 428014002

Least Common Multiple (LCM) of 20683 and 20694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20683 and 20694. First we will calculate the prime factors of 20683 and 20694.

Prime Factorization of 20683

Prime factors of 20683 are 13, 37, 43. Prime factorization of 20683 in exponential form is:

20683 = 131 × 371 × 431

Prime Factorization of 20694

Prime factors of 20694 are 2, 3, 3449. Prime factorization of 20694 in exponential form is:

20694 = 21 × 31 × 34491

Now multiplying the highest exponent prime factors to calculate the LCM of 20683 and 20694.

LCM(20683,20694) = 131 × 371 × 431 × 21 × 31 × 34491
LCM(20683,20694) = 428014002