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What is the Least Common Multiple of 20392 and 20401?

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 20392 and 20401 is 416017192.

LCM(20392,20401) = 416017192

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Least Common Multiple of 20392 and 20401 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20392 and 20401, than apply into the LCM equation.

GCF(20392,20401) = 1
LCM(20392,20401) = ( 20392 × 20401) / 1
LCM(20392,20401) = 416017192 / 1
LCM(20392,20401) = 416017192

Least Common Multiple (LCM) of 20392 and 20401 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20392 and 20401. First we will calculate the prime factors of 20392 and 20401.

Prime Factorization of 20392

Prime factors of 20392 are 2, 2549. Prime factorization of 20392 in exponential form is:

20392 = 23 × 25491

Prime Factorization of 20401

Prime factors of 20401 are 23, 887. Prime factorization of 20401 in exponential form is:

20401 = 231 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 20392 and 20401.

LCM(20392,20401) = 23 × 25491 × 231 × 8871
LCM(20392,20401) = 416017192