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What is the Least Common Multiple of 551 and 559?

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 551 and 559 is 308009.

LCM(551,559) = 308009

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Least Common Multiple of 551 and 559 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 551 and 559, than apply into the LCM equation.

GCF(551,559) = 1
LCM(551,559) = ( 551 × 559) / 1
LCM(551,559) = 308009 / 1
LCM(551,559) = 308009

Least Common Multiple (LCM) of 551 and 559 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 551 and 559. First we will calculate the prime factors of 551 and 559.

Prime Factorization of 551

Prime factors of 551 are 19, 29. Prime factorization of 551 in exponential form is:

551 = 191 × 291

Prime Factorization of 559

Prime factors of 559 are 13, 43. Prime factorization of 559 in exponential form is:

559 = 131 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 551 and 559.

LCM(551,559) = 191 × 291 × 131 × 431
LCM(551,559) = 308009