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What is the Least Common Multiple of 5423 and 5431?

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 5423 and 5431 is 29452313.

LCM(5423,5431) = 29452313

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Least Common Multiple of 5423 and 5431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5423 and 5431, than apply into the LCM equation.

GCF(5423,5431) = 1
LCM(5423,5431) = ( 5423 × 5431) / 1
LCM(5423,5431) = 29452313 / 1
LCM(5423,5431) = 29452313

Least Common Multiple (LCM) of 5423 and 5431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5423 and 5431. First we will calculate the prime factors of 5423 and 5431.

Prime Factorization of 5423

Prime factors of 5423 are 11, 17, 29. Prime factorization of 5423 in exponential form is:

5423 = 111 × 171 × 291

Prime Factorization of 5431

Prime factors of 5431 are 5431. Prime factorization of 5431 in exponential form is:

5431 = 54311

Now multiplying the highest exponent prime factors to calculate the LCM of 5423 and 5431.

LCM(5423,5431) = 111 × 171 × 291 × 54311
LCM(5423,5431) = 29452313