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What is the Least Common Multiple of 538 and 547?

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 538 and 547 is 294286.

LCM(538,547) = 294286

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Least Common Multiple of 538 and 547 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 538 and 547, than apply into the LCM equation.

GCF(538,547) = 1
LCM(538,547) = ( 538 × 547) / 1
LCM(538,547) = 294286 / 1
LCM(538,547) = 294286

Least Common Multiple (LCM) of 538 and 547 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 538 and 547. First we will calculate the prime factors of 538 and 547.

Prime Factorization of 538

Prime factors of 538 are 2, 269. Prime factorization of 538 in exponential form is:

538 = 21 × 2691

Prime Factorization of 547

Prime factors of 547 are 547. Prime factorization of 547 in exponential form is:

547 = 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 538 and 547.

LCM(538,547) = 21 × 2691 × 5471
LCM(538,547) = 294286