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What is the Least Common Multiple of 20379 and 20392?

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 20379 and 20392 is 415568568.

LCM(20379,20392) = 415568568

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Least Common Multiple of 20379 and 20392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20379 and 20392, than apply into the LCM equation.

GCF(20379,20392) = 1
LCM(20379,20392) = ( 20379 × 20392) / 1
LCM(20379,20392) = 415568568 / 1
LCM(20379,20392) = 415568568

Least Common Multiple (LCM) of 20379 and 20392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20379 and 20392. First we will calculate the prime factors of 20379 and 20392.

Prime Factorization of 20379

Prime factors of 20379 are 3, 6793. Prime factorization of 20379 in exponential form is:

20379 = 31 × 67931

Prime Factorization of 20392

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

20392 = 23 × 25491

Now multiplying the highest exponent prime factors to calculate the LCM of 20379 and 20392.

LCM(20379,20392) = 31 × 67931 × 23 × 25491
LCM(20379,20392) = 415568568