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What is the Least Common Multiple of 99875 and 99890?

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 99875 and 99890 is 1995302750.

LCM(99875,99890) = 1995302750

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Least Common Multiple of 99875 and 99890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99875 and 99890, than apply into the LCM equation.

GCF(99875,99890) = 5
LCM(99875,99890) = ( 99875 × 99890) / 5
LCM(99875,99890) = 9976513750 / 5
LCM(99875,99890) = 1995302750

Least Common Multiple (LCM) of 99875 and 99890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99875 and 99890. First we will calculate the prime factors of 99875 and 99890.

Prime Factorization of 99875

Prime factors of 99875 are 5, 17, 47. Prime factorization of 99875 in exponential form is:

99875 = 53 × 171 × 471

Prime Factorization of 99890

Prime factors of 99890 are 2, 5, 7, 1427. Prime factorization of 99890 in exponential form is:

99890 = 21 × 51 × 71 × 14271

Now multiplying the highest exponent prime factors to calculate the LCM of 99875 and 99890.

LCM(99875,99890) = 53 × 171 × 471 × 21 × 71 × 14271
LCM(99875,99890) = 1995302750