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What is the Least Common Multiple of 71432 and 71445?

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 71432 and 71445 is 5103459240.

LCM(71432,71445) = 5103459240

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Least Common Multiple of 71432 and 71445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71432 and 71445, than apply into the LCM equation.

GCF(71432,71445) = 1
LCM(71432,71445) = ( 71432 × 71445) / 1
LCM(71432,71445) = 5103459240 / 1
LCM(71432,71445) = 5103459240

Least Common Multiple (LCM) of 71432 and 71445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71432 and 71445. First we will calculate the prime factors of 71432 and 71445.

Prime Factorization of 71432

Prime factors of 71432 are 2, 8929. Prime factorization of 71432 in exponential form is:

71432 = 23 × 89291

Prime Factorization of 71445

Prime factors of 71445 are 3, 5, 11, 433. Prime factorization of 71445 in exponential form is:

71445 = 31 × 51 × 111 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 71432 and 71445.

LCM(71432,71445) = 23 × 89291 × 31 × 51 × 111 × 4331
LCM(71432,71445) = 5103459240