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What is the Least Common Multiple of 29900 and 29905?

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 29900 and 29905 is 178831900.

LCM(29900,29905) = 178831900

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Least Common Multiple of 29900 and 29905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29900 and 29905, than apply into the LCM equation.

GCF(29900,29905) = 5
LCM(29900,29905) = ( 29900 × 29905) / 5
LCM(29900,29905) = 894159500 / 5
LCM(29900,29905) = 178831900

Least Common Multiple (LCM) of 29900 and 29905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29900 and 29905. First we will calculate the prime factors of 29900 and 29905.

Prime Factorization of 29900

Prime factors of 29900 are 2, 5, 13, 23. Prime factorization of 29900 in exponential form is:

29900 = 22 × 52 × 131 × 231

Prime Factorization of 29905

Prime factors of 29905 are 5, 5981. Prime factorization of 29905 in exponential form is:

29905 = 51 × 59811

Now multiplying the highest exponent prime factors to calculate the LCM of 29900 and 29905.

LCM(29900,29905) = 22 × 52 × 131 × 231 × 59811
LCM(29900,29905) = 178831900