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What is the Least Common Multiple of 537 and 546?

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 537 and 546 is 97734.

LCM(537,546) = 97734

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Least Common Multiple of 537 and 546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 537 and 546, than apply into the LCM equation.

GCF(537,546) = 3
LCM(537,546) = ( 537 × 546) / 3
LCM(537,546) = 293202 / 3
LCM(537,546) = 97734

Least Common Multiple (LCM) of 537 and 546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 537 and 546. First we will calculate the prime factors of 537 and 546.

Prime Factorization of 537

Prime factors of 537 are 3, 179. Prime factorization of 537 in exponential form is:

537 = 31 × 1791

Prime Factorization of 546

Prime factors of 546 are 2, 3, 7, 13. Prime factorization of 546 in exponential form is:

546 = 21 × 31 × 71 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 537 and 546.

LCM(537,546) = 31 × 1791 × 21 × 71 × 131
LCM(537,546) = 97734