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What is the Least Common Multiple of 20876 and 20895?

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 20876 and 20895 is 436204020.

LCM(20876,20895) = 436204020

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Least Common Multiple of 20876 and 20895 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20876 and 20895, than apply into the LCM equation.

GCF(20876,20895) = 1
LCM(20876,20895) = ( 20876 × 20895) / 1
LCM(20876,20895) = 436204020 / 1
LCM(20876,20895) = 436204020

Least Common Multiple (LCM) of 20876 and 20895 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20876 and 20895. First we will calculate the prime factors of 20876 and 20895.

Prime Factorization of 20876

Prime factors of 20876 are 2, 17, 307. Prime factorization of 20876 in exponential form is:

20876 = 22 × 171 × 3071

Prime Factorization of 20895

Prime factors of 20895 are 3, 5, 7, 199. Prime factorization of 20895 in exponential form is:

20895 = 31 × 51 × 71 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 20876 and 20895.

LCM(20876,20895) = 22 × 171 × 3071 × 31 × 51 × 71 × 1991
LCM(20876,20895) = 436204020