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What is the Least Common Multiple of 99803 and 99820?

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 99803 and 99820 is 9962335460.

LCM(99803,99820) = 9962335460

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Least Common Multiple of 99803 and 99820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99803 and 99820, than apply into the LCM equation.

GCF(99803,99820) = 1
LCM(99803,99820) = ( 99803 × 99820) / 1
LCM(99803,99820) = 9962335460 / 1
LCM(99803,99820) = 9962335460

Least Common Multiple (LCM) of 99803 and 99820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99803 and 99820. First we will calculate the prime factors of 99803 and 99820.

Prime Factorization of 99803

Prime factors of 99803 are 11, 43, 211. Prime factorization of 99803 in exponential form is:

99803 = 111 × 431 × 2111

Prime Factorization of 99820

Prime factors of 99820 are 2, 5, 7, 23, 31. Prime factorization of 99820 in exponential form is:

99820 = 22 × 51 × 71 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 99803 and 99820.

LCM(99803,99820) = 111 × 431 × 2111 × 22 × 51 × 71 × 231 × 311
LCM(99803,99820) = 9962335460