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What is the Least Common Multiple of 16656 and 16661?

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 16656 and 16661 is 277505616.

LCM(16656,16661) = 277505616

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Least Common Multiple of 16656 and 16661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16656 and 16661, than apply into the LCM equation.

GCF(16656,16661) = 1
LCM(16656,16661) = ( 16656 × 16661) / 1
LCM(16656,16661) = 277505616 / 1
LCM(16656,16661) = 277505616

Least Common Multiple (LCM) of 16656 and 16661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16656 and 16661. First we will calculate the prime factors of 16656 and 16661.

Prime Factorization of 16656

Prime factors of 16656 are 2, 3, 347. Prime factorization of 16656 in exponential form is:

16656 = 24 × 31 × 3471

Prime Factorization of 16661

Prime factors of 16661 are 16661. Prime factorization of 16661 in exponential form is:

16661 = 166611

Now multiplying the highest exponent prime factors to calculate the LCM of 16656 and 16661.

LCM(16656,16661) = 24 × 31 × 3471 × 166611
LCM(16656,16661) = 277505616