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What is the Least Common Multiple of 20552 and 20557?

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 20552 and 20557 is 422487464.

LCM(20552,20557) = 422487464

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Least Common Multiple of 20552 and 20557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20552 and 20557, than apply into the LCM equation.

GCF(20552,20557) = 1
LCM(20552,20557) = ( 20552 × 20557) / 1
LCM(20552,20557) = 422487464 / 1
LCM(20552,20557) = 422487464

Least Common Multiple (LCM) of 20552 and 20557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20552 and 20557. First we will calculate the prime factors of 20552 and 20557.

Prime Factorization of 20552

Prime factors of 20552 are 2, 7, 367. Prime factorization of 20552 in exponential form is:

20552 = 23 × 71 × 3671

Prime Factorization of 20557

Prime factors of 20557 are 61, 337. Prime factorization of 20557 in exponential form is:

20557 = 611 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 20552 and 20557.

LCM(20552,20557) = 23 × 71 × 3671 × 611 × 3371
LCM(20552,20557) = 422487464