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What is the Least Common Multiple of 15824 and 15832?

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 15824 and 15832 is 31315696.

LCM(15824,15832) = 31315696

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Least Common Multiple of 15824 and 15832 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15824 and 15832, than apply into the LCM equation.

GCF(15824,15832) = 8
LCM(15824,15832) = ( 15824 × 15832) / 8
LCM(15824,15832) = 250525568 / 8
LCM(15824,15832) = 31315696

Least Common Multiple (LCM) of 15824 and 15832 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15824 and 15832. First we will calculate the prime factors of 15824 and 15832.

Prime Factorization of 15824

Prime factors of 15824 are 2, 23, 43. Prime factorization of 15824 in exponential form is:

15824 = 24 × 231 × 431

Prime Factorization of 15832

Prime factors of 15832 are 2, 1979. Prime factorization of 15832 in exponential form is:

15832 = 23 × 19791

Now multiplying the highest exponent prime factors to calculate the LCM of 15824 and 15832.

LCM(15824,15832) = 24 × 231 × 431 × 19791
LCM(15824,15832) = 31315696