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What is the Least Common Multiple of 1516 and 1532?

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 1516 and 1532 is 580628.

LCM(1516,1532) = 580628

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Least Common Multiple of 1516 and 1532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1516 and 1532, than apply into the LCM equation.

GCF(1516,1532) = 4
LCM(1516,1532) = ( 1516 × 1532) / 4
LCM(1516,1532) = 2322512 / 4
LCM(1516,1532) = 580628

Least Common Multiple (LCM) of 1516 and 1532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1516 and 1532. First we will calculate the prime factors of 1516 and 1532.

Prime Factorization of 1516

Prime factors of 1516 are 2, 379. Prime factorization of 1516 in exponential form is:

1516 = 22 × 3791

Prime Factorization of 1532

Prime factors of 1532 are 2, 383. Prime factorization of 1532 in exponential form is:

1532 = 22 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 1516 and 1532.

LCM(1516,1532) = 22 × 3791 × 3831
LCM(1516,1532) = 580628