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What is the Least Common Multiple of 532 and 545?

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 532 and 545 is 289940.

LCM(532,545) = 289940

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Least Common Multiple of 532 and 545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 532 and 545, than apply into the LCM equation.

GCF(532,545) = 1
LCM(532,545) = ( 532 × 545) / 1
LCM(532,545) = 289940 / 1
LCM(532,545) = 289940

Least Common Multiple (LCM) of 532 and 545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 532 and 545. First we will calculate the prime factors of 532 and 545.

Prime Factorization of 532

Prime factors of 532 are 2, 7, 19. Prime factorization of 532 in exponential form is:

532 = 22 × 71 × 191

Prime Factorization of 545

Prime factors of 545 are 5, 109. Prime factorization of 545 in exponential form is:

545 = 51 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 532 and 545.

LCM(532,545) = 22 × 71 × 191 × 51 × 1091
LCM(532,545) = 289940