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What is the Least Common Multiple of 832 and 838?

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 832 and 838 is 348608.

LCM(832,838) = 348608

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Least Common Multiple of 832 and 838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 832 and 838, than apply into the LCM equation.

GCF(832,838) = 2
LCM(832,838) = ( 832 × 838) / 2
LCM(832,838) = 697216 / 2
LCM(832,838) = 348608

Least Common Multiple (LCM) of 832 and 838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 832 and 838. First we will calculate the prime factors of 832 and 838.

Prime Factorization of 832

Prime factors of 832 are 2, 13. Prime factorization of 832 in exponential form is:

832 = 26 × 131

Prime Factorization of 838

Prime factors of 838 are 2, 419. Prime factorization of 838 in exponential form is:

838 = 21 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 832 and 838.

LCM(832,838) = 26 × 131 × 4191
LCM(832,838) = 348608