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What is the Least Common Multiple of 15525 and 15542?

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 15525 and 15542 is 241289550.

LCM(15525,15542) = 241289550

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Least Common Multiple of 15525 and 15542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15525 and 15542, than apply into the LCM equation.

GCF(15525,15542) = 1
LCM(15525,15542) = ( 15525 × 15542) / 1
LCM(15525,15542) = 241289550 / 1
LCM(15525,15542) = 241289550

Least Common Multiple (LCM) of 15525 and 15542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15525 and 15542. First we will calculate the prime factors of 15525 and 15542.

Prime Factorization of 15525

Prime factors of 15525 are 3, 5, 23. Prime factorization of 15525 in exponential form is:

15525 = 33 × 52 × 231

Prime Factorization of 15542

Prime factors of 15542 are 2, 19, 409. Prime factorization of 15542 in exponential form is:

15542 = 21 × 191 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 15525 and 15542.

LCM(15525,15542) = 33 × 52 × 231 × 21 × 191 × 4091
LCM(15525,15542) = 241289550