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What is the Least Common Multiple of 72431 and 72442?

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 72431 and 72442 is 5247046502.

LCM(72431,72442) = 5247046502

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Least Common Multiple of 72431 and 72442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72431 and 72442, than apply into the LCM equation.

GCF(72431,72442) = 1
LCM(72431,72442) = ( 72431 × 72442) / 1
LCM(72431,72442) = 5247046502 / 1
LCM(72431,72442) = 5247046502

Least Common Multiple (LCM) of 72431 and 72442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72431 and 72442. First we will calculate the prime factors of 72431 and 72442.

Prime Factorization of 72431

Prime factors of 72431 are 72431. Prime factorization of 72431 in exponential form is:

72431 = 724311

Prime Factorization of 72442

Prime factors of 72442 are 2, 29, 1249. Prime factorization of 72442 in exponential form is:

72442 = 21 × 291 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 72431 and 72442.

LCM(72431,72442) = 724311 × 21 × 291 × 12491
LCM(72431,72442) = 5247046502