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What is the Least Common Multiple of 16681 and 16698?

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 16681 and 16698 is 278539338.

LCM(16681,16698) = 278539338

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Least Common Multiple of 16681 and 16698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16681 and 16698, than apply into the LCM equation.

GCF(16681,16698) = 1
LCM(16681,16698) = ( 16681 × 16698) / 1
LCM(16681,16698) = 278539338 / 1
LCM(16681,16698) = 278539338

Least Common Multiple (LCM) of 16681 and 16698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16681 and 16698. First we will calculate the prime factors of 16681 and 16698.

Prime Factorization of 16681

Prime factors of 16681 are 7, 2383. Prime factorization of 16681 in exponential form is:

16681 = 71 × 23831

Prime Factorization of 16698

Prime factors of 16698 are 2, 3, 11, 23. Prime factorization of 16698 in exponential form is:

16698 = 21 × 31 × 112 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 16681 and 16698.

LCM(16681,16698) = 71 × 23831 × 21 × 31 × 112 × 231
LCM(16681,16698) = 278539338