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What is the Least Common Multiple of 16528 and 16540?

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 16528 and 16540 is 68343280.

LCM(16528,16540) = 68343280

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Least Common Multiple of 16528 and 16540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16528 and 16540, than apply into the LCM equation.

GCF(16528,16540) = 4
LCM(16528,16540) = ( 16528 × 16540) / 4
LCM(16528,16540) = 273373120 / 4
LCM(16528,16540) = 68343280

Least Common Multiple (LCM) of 16528 and 16540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16528 and 16540. First we will calculate the prime factors of 16528 and 16540.

Prime Factorization of 16528

Prime factors of 16528 are 2, 1033. Prime factorization of 16528 in exponential form is:

16528 = 24 × 10331

Prime Factorization of 16540

Prime factors of 16540 are 2, 5, 827. Prime factorization of 16540 in exponential form is:

16540 = 22 × 51 × 8271

Now multiplying the highest exponent prime factors to calculate the LCM of 16528 and 16540.

LCM(16528,16540) = 24 × 10331 × 51 × 8271
LCM(16528,16540) = 68343280