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What is the Least Common Multiple of 20798 and 20803?

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 20798 and 20803 is 432660794.

LCM(20798,20803) = 432660794

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Least Common Multiple of 20798 and 20803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20798 and 20803, than apply into the LCM equation.

GCF(20798,20803) = 1
LCM(20798,20803) = ( 20798 × 20803) / 1
LCM(20798,20803) = 432660794 / 1
LCM(20798,20803) = 432660794

Least Common Multiple (LCM) of 20798 and 20803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20798 and 20803. First we will calculate the prime factors of 20798 and 20803.

Prime Factorization of 20798

Prime factors of 20798 are 2, 10399. Prime factorization of 20798 in exponential form is:

20798 = 21 × 103991

Prime Factorization of 20803

Prime factors of 20803 are 71, 293. Prime factorization of 20803 in exponential form is:

20803 = 711 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 20798 and 20803.

LCM(20798,20803) = 21 × 103991 × 711 × 2931
LCM(20798,20803) = 432660794