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What is the Least Common Multiple of 824 and 834?

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 824 and 834 is 343608.

LCM(824,834) = 343608

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Least Common Multiple of 824 and 834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 824 and 834, than apply into the LCM equation.

GCF(824,834) = 2
LCM(824,834) = ( 824 × 834) / 2
LCM(824,834) = 687216 / 2
LCM(824,834) = 343608

Least Common Multiple (LCM) of 824 and 834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 824 and 834. First we will calculate the prime factors of 824 and 834.

Prime Factorization of 824

Prime factors of 824 are 2, 103. Prime factorization of 824 in exponential form is:

824 = 23 × 1031

Prime Factorization of 834

Prime factors of 834 are 2, 3, 139. Prime factorization of 834 in exponential form is:

834 = 21 × 31 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 824 and 834.

LCM(824,834) = 23 × 1031 × 31 × 1391
LCM(824,834) = 343608