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What is the Least Common Multiple of 828 and 835?

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 828 and 835 is 691380.

LCM(828,835) = 691380

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Least Common Multiple of 828 and 835 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 828 and 835, than apply into the LCM equation.

GCF(828,835) = 1
LCM(828,835) = ( 828 × 835) / 1
LCM(828,835) = 691380 / 1
LCM(828,835) = 691380

Least Common Multiple (LCM) of 828 and 835 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 828 and 835. First we will calculate the prime factors of 828 and 835.

Prime Factorization of 828

Prime factors of 828 are 2, 3, 23. Prime factorization of 828 in exponential form is:

828 = 22 × 32 × 231

Prime Factorization of 835

Prime factors of 835 are 5, 167. Prime factorization of 835 in exponential form is:

835 = 51 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 828 and 835.

LCM(828,835) = 22 × 32 × 231 × 51 × 1671
LCM(828,835) = 691380