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What is the Least Common Multiple of 21552 and 21571?

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 21552 and 21571 is 464898192.

LCM(21552,21571) = 464898192

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Least Common Multiple of 21552 and 21571 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21552 and 21571, than apply into the LCM equation.

GCF(21552,21571) = 1
LCM(21552,21571) = ( 21552 × 21571) / 1
LCM(21552,21571) = 464898192 / 1
LCM(21552,21571) = 464898192

Least Common Multiple (LCM) of 21552 and 21571 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21552 and 21571. First we will calculate the prime factors of 21552 and 21571.

Prime Factorization of 21552

Prime factors of 21552 are 2, 3, 449. Prime factorization of 21552 in exponential form is:

21552 = 24 × 31 × 4491

Prime Factorization of 21571

Prime factors of 21571 are 11, 37, 53. Prime factorization of 21571 in exponential form is:

21571 = 111 × 371 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 21552 and 21571.

LCM(21552,21571) = 24 × 31 × 4491 × 111 × 371 × 531
LCM(21552,21571) = 464898192