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What is the Least Common Multiple of 39623 and 39643?

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 39623 and 39643 is 1570774589.

LCM(39623,39643) = 1570774589

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Least Common Multiple of 39623 and 39643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39623 and 39643, than apply into the LCM equation.

GCF(39623,39643) = 1
LCM(39623,39643) = ( 39623 × 39643) / 1
LCM(39623,39643) = 1570774589 / 1
LCM(39623,39643) = 1570774589

Least Common Multiple (LCM) of 39623 and 39643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39623 and 39643. First we will calculate the prime factors of 39623 and 39643.

Prime Factorization of 39623

Prime factors of 39623 are 39623. Prime factorization of 39623 in exponential form is:

39623 = 396231

Prime Factorization of 39643

Prime factors of 39643 are 29, 1367. Prime factorization of 39643 in exponential form is:

39643 = 291 × 13671

Now multiplying the highest exponent prime factors to calculate the LCM of 39623 and 39643.

LCM(39623,39643) = 396231 × 291 × 13671
LCM(39623,39643) = 1570774589