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What is the Least Common Multiple of 828 and 836?

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 836 is 173052.

LCM(828,836) = 173052

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Least Common Multiple of 828 and 836 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 836, than apply into the LCM equation.

GCF(828,836) = 4
LCM(828,836) = ( 828 × 836) / 4
LCM(828,836) = 692208 / 4
LCM(828,836) = 173052

Least Common Multiple (LCM) of 828 and 836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 828 and 836. First we will calculate the prime factors of 828 and 836.

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 836

Prime factors of 836 are 2, 11, 19. Prime factorization of 836 in exponential form is:

836 = 22 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 828 and 836.

LCM(828,836) = 22 × 32 × 231 × 111 × 191
LCM(828,836) = 173052