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What is the Least Common Multiple of 20864 and 20877?

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 20864 and 20877 is 435577728.

LCM(20864,20877) = 435577728

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Least Common Multiple of 20864 and 20877 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20864 and 20877, than apply into the LCM equation.

GCF(20864,20877) = 1
LCM(20864,20877) = ( 20864 × 20877) / 1
LCM(20864,20877) = 435577728 / 1
LCM(20864,20877) = 435577728

Least Common Multiple (LCM) of 20864 and 20877 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20864 and 20877. First we will calculate the prime factors of 20864 and 20877.

Prime Factorization of 20864

Prime factors of 20864 are 2, 163. Prime factorization of 20864 in exponential form is:

20864 = 27 × 1631

Prime Factorization of 20877

Prime factors of 20877 are 3, 6959. Prime factorization of 20877 in exponential form is:

20877 = 31 × 69591

Now multiplying the highest exponent prime factors to calculate the LCM of 20864 and 20877.

LCM(20864,20877) = 27 × 1631 × 31 × 69591
LCM(20864,20877) = 435577728