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What is the Least Common Multiple of 20839 and 20850?

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 20839 and 20850 is 434493150.

LCM(20839,20850) = 434493150

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Least Common Multiple of 20839 and 20850 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20839 and 20850, than apply into the LCM equation.

GCF(20839,20850) = 1
LCM(20839,20850) = ( 20839 × 20850) / 1
LCM(20839,20850) = 434493150 / 1
LCM(20839,20850) = 434493150

Least Common Multiple (LCM) of 20839 and 20850 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20839 and 20850. First we will calculate the prime factors of 20839 and 20850.

Prime Factorization of 20839

Prime factors of 20839 are 7, 13, 229. Prime factorization of 20839 in exponential form is:

20839 = 71 × 131 × 2291

Prime Factorization of 20850

Prime factors of 20850 are 2, 3, 5, 139. Prime factorization of 20850 in exponential form is:

20850 = 21 × 31 × 52 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 20839 and 20850.

LCM(20839,20850) = 71 × 131 × 2291 × 21 × 31 × 52 × 1391
LCM(20839,20850) = 434493150