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What is the Least Common Multiple of 29431 and 29440?

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 29431 and 29440 is 866448640.

LCM(29431,29440) = 866448640

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Least Common Multiple of 29431 and 29440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29431 and 29440, than apply into the LCM equation.

GCF(29431,29440) = 1
LCM(29431,29440) = ( 29431 × 29440) / 1
LCM(29431,29440) = 866448640 / 1
LCM(29431,29440) = 866448640

Least Common Multiple (LCM) of 29431 and 29440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29431 and 29440. First we will calculate the prime factors of 29431 and 29440.

Prime Factorization of 29431

Prime factors of 29431 are 19, 1549. Prime factorization of 29431 in exponential form is:

29431 = 191 × 15491

Prime Factorization of 29440

Prime factors of 29440 are 2, 5, 23. Prime factorization of 29440 in exponential form is:

29440 = 28 × 51 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 29431 and 29440.

LCM(29431,29440) = 191 × 15491 × 28 × 51 × 231
LCM(29431,29440) = 866448640