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What is the Least Common Multiple of 16902 and 16906?

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 16902 and 16906 is 142872606.

LCM(16902,16906) = 142872606

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Least Common Multiple of 16902 and 16906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16902 and 16906, than apply into the LCM equation.

GCF(16902,16906) = 2
LCM(16902,16906) = ( 16902 × 16906) / 2
LCM(16902,16906) = 285745212 / 2
LCM(16902,16906) = 142872606

Least Common Multiple (LCM) of 16902 and 16906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16902 and 16906. First we will calculate the prime factors of 16902 and 16906.

Prime Factorization of 16902

Prime factors of 16902 are 2, 3, 313. Prime factorization of 16902 in exponential form is:

16902 = 21 × 33 × 3131

Prime Factorization of 16906

Prime factors of 16906 are 2, 79, 107. Prime factorization of 16906 in exponential form is:

16906 = 21 × 791 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 16902 and 16906.

LCM(16902,16906) = 21 × 33 × 3131 × 791 × 1071
LCM(16902,16906) = 142872606