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What is the Least Common Multiple of 16520 and 16532?

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 16520 and 16532 is 68277160.

LCM(16520,16532) = 68277160

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Least Common Multiple of 16520 and 16532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16520 and 16532, than apply into the LCM equation.

GCF(16520,16532) = 4
LCM(16520,16532) = ( 16520 × 16532) / 4
LCM(16520,16532) = 273108640 / 4
LCM(16520,16532) = 68277160

Least Common Multiple (LCM) of 16520 and 16532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16520 and 16532. First we will calculate the prime factors of 16520 and 16532.

Prime Factorization of 16520

Prime factors of 16520 are 2, 5, 7, 59. Prime factorization of 16520 in exponential form is:

16520 = 23 × 51 × 71 × 591

Prime Factorization of 16532

Prime factors of 16532 are 2, 4133. Prime factorization of 16532 in exponential form is:

16532 = 22 × 41331

Now multiplying the highest exponent prime factors to calculate the LCM of 16520 and 16532.

LCM(16520,16532) = 23 × 51 × 71 × 591 × 41331
LCM(16520,16532) = 68277160