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What is the Least Common Multiple of 16836 and 16851?

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 16836 and 16851 is 94567812.

LCM(16836,16851) = 94567812

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Least Common Multiple of 16836 and 16851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16836 and 16851, than apply into the LCM equation.

GCF(16836,16851) = 3
LCM(16836,16851) = ( 16836 × 16851) / 3
LCM(16836,16851) = 283703436 / 3
LCM(16836,16851) = 94567812

Least Common Multiple (LCM) of 16836 and 16851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16836 and 16851. First we will calculate the prime factors of 16836 and 16851.

Prime Factorization of 16836

Prime factors of 16836 are 2, 3, 23, 61. Prime factorization of 16836 in exponential form is:

16836 = 22 × 31 × 231 × 611

Prime Factorization of 16851

Prime factors of 16851 are 3, 41, 137. Prime factorization of 16851 in exponential form is:

16851 = 31 × 411 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 16836 and 16851.

LCM(16836,16851) = 22 × 31 × 231 × 611 × 411 × 1371
LCM(16836,16851) = 94567812