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What is the Least Common Multiple of 16639 and 16658?

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 16639 and 16658 is 277172462.

LCM(16639,16658) = 277172462

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Least Common Multiple of 16639 and 16658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16639 and 16658, than apply into the LCM equation.

GCF(16639,16658) = 1
LCM(16639,16658) = ( 16639 × 16658) / 1
LCM(16639,16658) = 277172462 / 1
LCM(16639,16658) = 277172462

Least Common Multiple (LCM) of 16639 and 16658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16639 and 16658. First we will calculate the prime factors of 16639 and 16658.

Prime Factorization of 16639

Prime factors of 16639 are 7, 2377. Prime factorization of 16639 in exponential form is:

16639 = 71 × 23771

Prime Factorization of 16658

Prime factors of 16658 are 2, 8329. Prime factorization of 16658 in exponential form is:

16658 = 21 × 83291

Now multiplying the highest exponent prime factors to calculate the LCM of 16639 and 16658.

LCM(16639,16658) = 71 × 23771 × 21 × 83291
LCM(16639,16658) = 277172462