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What is the Least Common Multiple of 15521 and 15537?

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 15521 and 15537 is 241149777.

LCM(15521,15537) = 241149777

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Least Common Multiple of 15521 and 15537 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15521 and 15537, than apply into the LCM equation.

GCF(15521,15537) = 1
LCM(15521,15537) = ( 15521 × 15537) / 1
LCM(15521,15537) = 241149777 / 1
LCM(15521,15537) = 241149777

Least Common Multiple (LCM) of 15521 and 15537 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15521 and 15537. First we will calculate the prime factors of 15521 and 15537.

Prime Factorization of 15521

Prime factors of 15521 are 11, 17, 83. Prime factorization of 15521 in exponential form is:

15521 = 111 × 171 × 831

Prime Factorization of 15537

Prime factors of 15537 are 3, 5179. Prime factorization of 15537 in exponential form is:

15537 = 31 × 51791

Now multiplying the highest exponent prime factors to calculate the LCM of 15521 and 15537.

LCM(15521,15537) = 111 × 171 × 831 × 31 × 51791
LCM(15521,15537) = 241149777