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What is the Least Common Multiple of 1822 and 1834?

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 1822 and 1834 is 1670774.

LCM(1822,1834) = 1670774

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Least Common Multiple of 1822 and 1834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1822 and 1834, than apply into the LCM equation.

GCF(1822,1834) = 2
LCM(1822,1834) = ( 1822 × 1834) / 2
LCM(1822,1834) = 3341548 / 2
LCM(1822,1834) = 1670774

Least Common Multiple (LCM) of 1822 and 1834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1822 and 1834. First we will calculate the prime factors of 1822 and 1834.

Prime Factorization of 1822

Prime factors of 1822 are 2, 911. Prime factorization of 1822 in exponential form is:

1822 = 21 × 9111

Prime Factorization of 1834

Prime factors of 1834 are 2, 7, 131. Prime factorization of 1834 in exponential form is:

1834 = 21 × 71 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 1822 and 1834.

LCM(1822,1834) = 21 × 9111 × 71 × 1311
LCM(1822,1834) = 1670774