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What is the Least Common Multiple of 47431 and 47442?

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 47431 and 47442 is 2250221502.

LCM(47431,47442) = 2250221502

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Least Common Multiple of 47431 and 47442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47431 and 47442, than apply into the LCM equation.

GCF(47431,47442) = 1
LCM(47431,47442) = ( 47431 × 47442) / 1
LCM(47431,47442) = 2250221502 / 1
LCM(47431,47442) = 2250221502

Least Common Multiple (LCM) of 47431 and 47442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47431 and 47442. First we will calculate the prime factors of 47431 and 47442.

Prime Factorization of 47431

Prime factors of 47431 are 47431. Prime factorization of 47431 in exponential form is:

47431 = 474311

Prime Factorization of 47442

Prime factors of 47442 are 2, 3, 7907. Prime factorization of 47442 in exponential form is:

47442 = 21 × 31 × 79071

Now multiplying the highest exponent prime factors to calculate the LCM of 47431 and 47442.

LCM(47431,47442) = 474311 × 21 × 31 × 79071
LCM(47431,47442) = 2250221502