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What is the Least Common Multiple of 45623 and 45643?

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 45623 and 45643 is 2082370589.

LCM(45623,45643) = 2082370589

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Least Common Multiple of 45623 and 45643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45623 and 45643, than apply into the LCM equation.

GCF(45623,45643) = 1
LCM(45623,45643) = ( 45623 × 45643) / 1
LCM(45623,45643) = 2082370589 / 1
LCM(45623,45643) = 2082370589

Least Common Multiple (LCM) of 45623 and 45643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45623 and 45643. First we will calculate the prime factors of 45623 and 45643.

Prime Factorization of 45623

Prime factors of 45623 are 43, 1061. Prime factorization of 45623 in exponential form is:

45623 = 431 × 10611

Prime Factorization of 45643

Prime factors of 45643 are 13, 3511. Prime factorization of 45643 in exponential form is:

45643 = 131 × 35111

Now multiplying the highest exponent prime factors to calculate the LCM of 45623 and 45643.

LCM(45623,45643) = 431 × 10611 × 131 × 35111
LCM(45623,45643) = 2082370589