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What is the Least Common Multiple of 1523 and 1535?

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 1523 and 1535 is 2337805.

LCM(1523,1535) = 2337805

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Least Common Multiple of 1523 and 1535 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1523 and 1535, than apply into the LCM equation.

GCF(1523,1535) = 1
LCM(1523,1535) = ( 1523 × 1535) / 1
LCM(1523,1535) = 2337805 / 1
LCM(1523,1535) = 2337805

Least Common Multiple (LCM) of 1523 and 1535 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1523 and 1535. First we will calculate the prime factors of 1523 and 1535.

Prime Factorization of 1523

Prime factors of 1523 are 1523. Prime factorization of 1523 in exponential form is:

1523 = 15231

Prime Factorization of 1535

Prime factors of 1535 are 5, 307. Prime factorization of 1535 in exponential form is:

1535 = 51 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 1523 and 1535.

LCM(1523,1535) = 15231 × 51 × 3071
LCM(1523,1535) = 2337805