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What is the Least Common Multiple of 1817 and 1828?

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 1817 and 1828 is 3321476.

LCM(1817,1828) = 3321476

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Least Common Multiple of 1817 and 1828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1817 and 1828, than apply into the LCM equation.

GCF(1817,1828) = 1
LCM(1817,1828) = ( 1817 × 1828) / 1
LCM(1817,1828) = 3321476 / 1
LCM(1817,1828) = 3321476

Least Common Multiple (LCM) of 1817 and 1828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1817 and 1828. First we will calculate the prime factors of 1817 and 1828.

Prime Factorization of 1817

Prime factors of 1817 are 23, 79. Prime factorization of 1817 in exponential form is:

1817 = 231 × 791

Prime Factorization of 1828

Prime factors of 1828 are 2, 457. Prime factorization of 1828 in exponential form is:

1828 = 22 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 1817 and 1828.

LCM(1817,1828) = 231 × 791 × 22 × 4571
LCM(1817,1828) = 3321476