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What is the Least Common Multiple of 20215 and 20232?

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 20215 and 20232 is 408989880.

LCM(20215,20232) = 408989880

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Least Common Multiple of 20215 and 20232 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20215 and 20232, than apply into the LCM equation.

GCF(20215,20232) = 1
LCM(20215,20232) = ( 20215 × 20232) / 1
LCM(20215,20232) = 408989880 / 1
LCM(20215,20232) = 408989880

Least Common Multiple (LCM) of 20215 and 20232 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20215 and 20232. First we will calculate the prime factors of 20215 and 20232.

Prime Factorization of 20215

Prime factors of 20215 are 5, 13, 311. Prime factorization of 20215 in exponential form is:

20215 = 51 × 131 × 3111

Prime Factorization of 20232

Prime factors of 20232 are 2, 3, 281. Prime factorization of 20232 in exponential form is:

20232 = 23 × 32 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 20215 and 20232.

LCM(20215,20232) = 51 × 131 × 3111 × 23 × 32 × 2811
LCM(20215,20232) = 408989880