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What is the Least Common Multiple of 9930 and 9948?

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 9930 and 9948 is 16463940.

LCM(9930,9948) = 16463940

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Least Common Multiple of 9930 and 9948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9930 and 9948, than apply into the LCM equation.

GCF(9930,9948) = 6
LCM(9930,9948) = ( 9930 × 9948) / 6
LCM(9930,9948) = 98783640 / 6
LCM(9930,9948) = 16463940

Least Common Multiple (LCM) of 9930 and 9948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9930 and 9948. First we will calculate the prime factors of 9930 and 9948.

Prime Factorization of 9930

Prime factors of 9930 are 2, 3, 5, 331. Prime factorization of 9930 in exponential form is:

9930 = 21 × 31 × 51 × 3311

Prime Factorization of 9948

Prime factors of 9948 are 2, 3, 829. Prime factorization of 9948 in exponential form is:

9948 = 22 × 31 × 8291

Now multiplying the highest exponent prime factors to calculate the LCM of 9930 and 9948.

LCM(9930,9948) = 22 × 31 × 51 × 3311 × 8291
LCM(9930,9948) = 16463940