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What is the Least Common Multiple of 532 and 542?

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 542 is 144172.

LCM(532,542) = 144172

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Least Common Multiple of 532 and 542 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 542, than apply into the LCM equation.

GCF(532,542) = 2
LCM(532,542) = ( 532 × 542) / 2
LCM(532,542) = 288344 / 2
LCM(532,542) = 144172

Least Common Multiple (LCM) of 532 and 542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 532 and 542. First we will calculate the prime factors of 532 and 542.

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 542

Prime factors of 542 are 2, 271. Prime factorization of 542 in exponential form is:

542 = 21 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 532 and 542.

LCM(532,542) = 22 × 71 × 191 × 2711
LCM(532,542) = 144172