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What is the Least Common Multiple of 11415 and 11432?

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 11415 and 11432 is 130496280.

LCM(11415,11432) = 130496280

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Least Common Multiple of 11415 and 11432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11415 and 11432, than apply into the LCM equation.

GCF(11415,11432) = 1
LCM(11415,11432) = ( 11415 × 11432) / 1
LCM(11415,11432) = 130496280 / 1
LCM(11415,11432) = 130496280

Least Common Multiple (LCM) of 11415 and 11432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11415 and 11432. First we will calculate the prime factors of 11415 and 11432.

Prime Factorization of 11415

Prime factors of 11415 are 3, 5, 761. Prime factorization of 11415 in exponential form is:

11415 = 31 × 51 × 7611

Prime Factorization of 11432

Prime factors of 11432 are 2, 1429. Prime factorization of 11432 in exponential form is:

11432 = 23 × 14291

Now multiplying the highest exponent prime factors to calculate the LCM of 11415 and 11432.

LCM(11415,11432) = 31 × 51 × 7611 × 23 × 14291
LCM(11415,11432) = 130496280