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What is the Least Common Multiple of 29128 and 29140?

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 29128 and 29140 is 212197480.

LCM(29128,29140) = 212197480

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Least Common Multiple of 29128 and 29140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29128 and 29140, than apply into the LCM equation.

GCF(29128,29140) = 4
LCM(29128,29140) = ( 29128 × 29140) / 4
LCM(29128,29140) = 848789920 / 4
LCM(29128,29140) = 212197480

Least Common Multiple (LCM) of 29128 and 29140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29128 and 29140. First we will calculate the prime factors of 29128 and 29140.

Prime Factorization of 29128

Prime factors of 29128 are 2, 11, 331. Prime factorization of 29128 in exponential form is:

29128 = 23 × 111 × 3311

Prime Factorization of 29140

Prime factors of 29140 are 2, 5, 31, 47. Prime factorization of 29140 in exponential form is:

29140 = 22 × 51 × 311 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 29128 and 29140.

LCM(29128,29140) = 23 × 111 × 3311 × 51 × 311 × 471
LCM(29128,29140) = 212197480