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What is the Least Common Multiple of 20447 and 20452?

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 20447 and 20452 is 418182044.

LCM(20447,20452) = 418182044

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Least Common Multiple of 20447 and 20452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20447 and 20452, than apply into the LCM equation.

GCF(20447,20452) = 1
LCM(20447,20452) = ( 20447 × 20452) / 1
LCM(20447,20452) = 418182044 / 1
LCM(20447,20452) = 418182044

Least Common Multiple (LCM) of 20447 and 20452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20447 and 20452. First we will calculate the prime factors of 20447 and 20452.

Prime Factorization of 20447

Prime factors of 20447 are 7, 23, 127. Prime factorization of 20447 in exponential form is:

20447 = 71 × 231 × 1271

Prime Factorization of 20452

Prime factors of 20452 are 2, 5113. Prime factorization of 20452 in exponential form is:

20452 = 22 × 51131

Now multiplying the highest exponent prime factors to calculate the LCM of 20447 and 20452.

LCM(20447,20452) = 71 × 231 × 1271 × 22 × 51131
LCM(20447,20452) = 418182044