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What is the Least Common Multiple of 39432 and 39445?

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 39432 and 39445 is 1555395240.

LCM(39432,39445) = 1555395240

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Least Common Multiple of 39432 and 39445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39432 and 39445, than apply into the LCM equation.

GCF(39432,39445) = 1
LCM(39432,39445) = ( 39432 × 39445) / 1
LCM(39432,39445) = 1555395240 / 1
LCM(39432,39445) = 1555395240

Least Common Multiple (LCM) of 39432 and 39445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39432 and 39445. First we will calculate the prime factors of 39432 and 39445.

Prime Factorization of 39432

Prime factors of 39432 are 2, 3, 31, 53. Prime factorization of 39432 in exponential form is:

39432 = 23 × 31 × 311 × 531

Prime Factorization of 39445

Prime factors of 39445 are 5, 7, 23. Prime factorization of 39445 in exponential form is:

39445 = 51 × 73 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 39432 and 39445.

LCM(39432,39445) = 23 × 31 × 311 × 531 × 51 × 73 × 231
LCM(39432,39445) = 1555395240