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What is the Least Common Multiple of 1826 and 1838?

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 1826 and 1838 is 1678094.

LCM(1826,1838) = 1678094

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Least Common Multiple of 1826 and 1838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1826 and 1838, than apply into the LCM equation.

GCF(1826,1838) = 2
LCM(1826,1838) = ( 1826 × 1838) / 2
LCM(1826,1838) = 3356188 / 2
LCM(1826,1838) = 1678094

Least Common Multiple (LCM) of 1826 and 1838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1826 and 1838. First we will calculate the prime factors of 1826 and 1838.

Prime Factorization of 1826

Prime factors of 1826 are 2, 11, 83. Prime factorization of 1826 in exponential form is:

1826 = 21 × 111 × 831

Prime Factorization of 1838

Prime factors of 1838 are 2, 919. Prime factorization of 1838 in exponential form is:

1838 = 21 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 1826 and 1838.

LCM(1826,1838) = 21 × 111 × 831 × 9191
LCM(1826,1838) = 1678094