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What is the Least Common Multiple of 99897 and 99904?

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 99897 and 99904 is 1425729984.

LCM(99897,99904) = 1425729984

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Least Common Multiple of 99897 and 99904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99897 and 99904, than apply into the LCM equation.

GCF(99897,99904) = 7
LCM(99897,99904) = ( 99897 × 99904) / 7
LCM(99897,99904) = 9980109888 / 7
LCM(99897,99904) = 1425729984

Least Common Multiple (LCM) of 99897 and 99904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99897 and 99904. First we will calculate the prime factors of 99897 and 99904.

Prime Factorization of 99897

Prime factors of 99897 are 3, 7, 67, 71. Prime factorization of 99897 in exponential form is:

99897 = 31 × 71 × 671 × 711

Prime Factorization of 99904

Prime factors of 99904 are 2, 7, 223. Prime factorization of 99904 in exponential form is:

99904 = 26 × 71 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 99897 and 99904.

LCM(99897,99904) = 31 × 71 × 671 × 711 × 26 × 2231
LCM(99897,99904) = 1425729984