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What is the Least Common Multiple of 20794 and 20813?

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 20794 and 20813 is 432785522.

LCM(20794,20813) = 432785522

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Least Common Multiple of 20794 and 20813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20794 and 20813, than apply into the LCM equation.

GCF(20794,20813) = 1
LCM(20794,20813) = ( 20794 × 20813) / 1
LCM(20794,20813) = 432785522 / 1
LCM(20794,20813) = 432785522

Least Common Multiple (LCM) of 20794 and 20813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20794 and 20813. First we will calculate the prime factors of 20794 and 20813.

Prime Factorization of 20794

Prime factors of 20794 are 2, 37, 281. Prime factorization of 20794 in exponential form is:

20794 = 21 × 371 × 2811

Prime Factorization of 20813

Prime factors of 20813 are 13, 1601. Prime factorization of 20813 in exponential form is:

20813 = 131 × 16011

Now multiplying the highest exponent prime factors to calculate the LCM of 20794 and 20813.

LCM(20794,20813) = 21 × 371 × 2811 × 131 × 16011
LCM(20794,20813) = 432785522