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What is the Least Common Multiple of 20607 and 20623?

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 20607 and 20623 is 424978161.

LCM(20607,20623) = 424978161

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Least Common Multiple of 20607 and 20623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20607 and 20623, than apply into the LCM equation.

GCF(20607,20623) = 1
LCM(20607,20623) = ( 20607 × 20623) / 1
LCM(20607,20623) = 424978161 / 1
LCM(20607,20623) = 424978161

Least Common Multiple (LCM) of 20607 and 20623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20607 and 20623. First we will calculate the prime factors of 20607 and 20623.

Prime Factorization of 20607

Prime factors of 20607 are 3, 6869. Prime factorization of 20607 in exponential form is:

20607 = 31 × 68691

Prime Factorization of 20623

Prime factors of 20623 are 41, 503. Prime factorization of 20623 in exponential form is:

20623 = 411 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 20607 and 20623.

LCM(20607,20623) = 31 × 68691 × 411 × 5031
LCM(20607,20623) = 424978161