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What is the Least Common Multiple of 20256 and 20273?

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 20256 and 20273 is 410649888.

LCM(20256,20273) = 410649888

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Least Common Multiple of 20256 and 20273 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20256 and 20273, than apply into the LCM equation.

GCF(20256,20273) = 1
LCM(20256,20273) = ( 20256 × 20273) / 1
LCM(20256,20273) = 410649888 / 1
LCM(20256,20273) = 410649888

Least Common Multiple (LCM) of 20256 and 20273 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20256 and 20273. First we will calculate the prime factors of 20256 and 20273.

Prime Factorization of 20256

Prime factors of 20256 are 2, 3, 211. Prime factorization of 20256 in exponential form is:

20256 = 25 × 31 × 2111

Prime Factorization of 20273

Prime factors of 20273 are 11, 19, 97. Prime factorization of 20273 in exponential form is:

20273 = 111 × 191 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 20256 and 20273.

LCM(20256,20273) = 25 × 31 × 2111 × 111 × 191 × 971
LCM(20256,20273) = 410649888