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What is the Least Common Multiple of 20463 and 20473?

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 20463 and 20473 is 418938999.

LCM(20463,20473) = 418938999

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Least Common Multiple of 20463 and 20473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20463 and 20473, than apply into the LCM equation.

GCF(20463,20473) = 1
LCM(20463,20473) = ( 20463 × 20473) / 1
LCM(20463,20473) = 418938999 / 1
LCM(20463,20473) = 418938999

Least Common Multiple (LCM) of 20463 and 20473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20463 and 20473. First we will calculate the prime factors of 20463 and 20473.

Prime Factorization of 20463

Prime factors of 20463 are 3, 19, 359. Prime factorization of 20463 in exponential form is:

20463 = 31 × 191 × 3591

Prime Factorization of 20473

Prime factors of 20473 are 59, 347. Prime factorization of 20473 in exponential form is:

20473 = 591 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 20463 and 20473.

LCM(20463,20473) = 31 × 191 × 3591 × 591 × 3471
LCM(20463,20473) = 418938999