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What is the Least Common Multiple of 39445 and 39453?

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 39445 and 39453 is 1556223585.

LCM(39445,39453) = 1556223585

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Least Common Multiple of 39445 and 39453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39445 and 39453, than apply into the LCM equation.

GCF(39445,39453) = 1
LCM(39445,39453) = ( 39445 × 39453) / 1
LCM(39445,39453) = 1556223585 / 1
LCM(39445,39453) = 1556223585

Least Common Multiple (LCM) of 39445 and 39453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39445 and 39453. First we will calculate the prime factors of 39445 and 39453.

Prime Factorization of 39445

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

39445 = 51 × 73 × 231

Prime Factorization of 39453

Prime factors of 39453 are 3, 13151. Prime factorization of 39453 in exponential form is:

39453 = 31 × 131511

Now multiplying the highest exponent prime factors to calculate the LCM of 39445 and 39453.

LCM(39445,39453) = 51 × 73 × 231 × 31 × 131511
LCM(39445,39453) = 1556223585