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What is the Least Common Multiple of 9895 and 9900?

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 9895 and 9900 is 19592100.

LCM(9895,9900) = 19592100

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Least Common Multiple of 9895 and 9900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9895 and 9900, than apply into the LCM equation.

GCF(9895,9900) = 5
LCM(9895,9900) = ( 9895 × 9900) / 5
LCM(9895,9900) = 97960500 / 5
LCM(9895,9900) = 19592100

Least Common Multiple (LCM) of 9895 and 9900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9895 and 9900. First we will calculate the prime factors of 9895 and 9900.

Prime Factorization of 9895

Prime factors of 9895 are 5, 1979. Prime factorization of 9895 in exponential form is:

9895 = 51 × 19791

Prime Factorization of 9900

Prime factors of 9900 are 2, 3, 5, 11. Prime factorization of 9900 in exponential form is:

9900 = 22 × 32 × 52 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 9895 and 9900.

LCM(9895,9900) = 52 × 19791 × 22 × 32 × 111
LCM(9895,9900) = 19592100