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What is the Least Common Multiple of 51561 and 51569?

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 51561 and 51569 is 2658949209.

LCM(51561,51569) = 2658949209

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Least Common Multiple of 51561 and 51569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51561 and 51569, than apply into the LCM equation.

GCF(51561,51569) = 1
LCM(51561,51569) = ( 51561 × 51569) / 1
LCM(51561,51569) = 2658949209 / 1
LCM(51561,51569) = 2658949209

Least Common Multiple (LCM) of 51561 and 51569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51561 and 51569. First we will calculate the prime factors of 51561 and 51569.

Prime Factorization of 51561

Prime factors of 51561 are 3, 17, 337. Prime factorization of 51561 in exponential form is:

51561 = 32 × 171 × 3371

Prime Factorization of 51569

Prime factors of 51569 are 7, 53, 139. Prime factorization of 51569 in exponential form is:

51569 = 71 × 531 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 51561 and 51569.

LCM(51561,51569) = 32 × 171 × 3371 × 71 × 531 × 1391
LCM(51561,51569) = 2658949209