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What is the Least Common Multiple of 16640 and 16651?

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 16640 and 16651 is 277072640.

LCM(16640,16651) = 277072640

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Least Common Multiple of 16640 and 16651 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16640 and 16651, than apply into the LCM equation.

GCF(16640,16651) = 1
LCM(16640,16651) = ( 16640 × 16651) / 1
LCM(16640,16651) = 277072640 / 1
LCM(16640,16651) = 277072640

Least Common Multiple (LCM) of 16640 and 16651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16640 and 16651. First we will calculate the prime factors of 16640 and 16651.

Prime Factorization of 16640

Prime factors of 16640 are 2, 5, 13. Prime factorization of 16640 in exponential form is:

16640 = 28 × 51 × 131

Prime Factorization of 16651

Prime factors of 16651 are 16651. Prime factorization of 16651 in exponential form is:

16651 = 166511

Now multiplying the highest exponent prime factors to calculate the LCM of 16640 and 16651.

LCM(16640,16651) = 28 × 51 × 131 × 166511
LCM(16640,16651) = 277072640