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What is the Least Common Multiple of 19578 and 19583?

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 19578 and 19583 is 383395974.

LCM(19578,19583) = 383395974

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Least Common Multiple of 19578 and 19583 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19578 and 19583, than apply into the LCM equation.

GCF(19578,19583) = 1
LCM(19578,19583) = ( 19578 × 19583) / 1
LCM(19578,19583) = 383395974 / 1
LCM(19578,19583) = 383395974

Least Common Multiple (LCM) of 19578 and 19583 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19578 and 19583. First we will calculate the prime factors of 19578 and 19583.

Prime Factorization of 19578

Prime factors of 19578 are 2, 3, 13, 251. Prime factorization of 19578 in exponential form is:

19578 = 21 × 31 × 131 × 2511

Prime Factorization of 19583

Prime factors of 19583 are 19583. Prime factorization of 19583 in exponential form is:

19583 = 195831

Now multiplying the highest exponent prime factors to calculate the LCM of 19578 and 19583.

LCM(19578,19583) = 21 × 31 × 131 × 2511 × 195831
LCM(19578,19583) = 383395974