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What is the Least Common Multiple of 15573 and 15577?

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 15573 and 15577 is 242580621.

LCM(15573,15577) = 242580621

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Least Common Multiple of 15573 and 15577 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15573 and 15577, than apply into the LCM equation.

GCF(15573,15577) = 1
LCM(15573,15577) = ( 15573 × 15577) / 1
LCM(15573,15577) = 242580621 / 1
LCM(15573,15577) = 242580621

Least Common Multiple (LCM) of 15573 and 15577 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15573 and 15577. First we will calculate the prime factors of 15573 and 15577.

Prime Factorization of 15573

Prime factors of 15573 are 3, 29, 179. Prime factorization of 15573 in exponential form is:

15573 = 31 × 291 × 1791

Prime Factorization of 15577

Prime factors of 15577 are 37, 421. Prime factorization of 15577 in exponential form is:

15577 = 371 × 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 15573 and 15577.

LCM(15573,15577) = 31 × 291 × 1791 × 371 × 4211
LCM(15573,15577) = 242580621