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What is the Least Common Multiple of 23829 and 23840?

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 23829 and 23840 is 568083360.

LCM(23829,23840) = 568083360

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Least Common Multiple of 23829 and 23840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23829 and 23840, than apply into the LCM equation.

GCF(23829,23840) = 1
LCM(23829,23840) = ( 23829 × 23840) / 1
LCM(23829,23840) = 568083360 / 1
LCM(23829,23840) = 568083360

Least Common Multiple (LCM) of 23829 and 23840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23829 and 23840. First we will calculate the prime factors of 23829 and 23840.

Prime Factorization of 23829

Prime factors of 23829 are 3, 13, 47. Prime factorization of 23829 in exponential form is:

23829 = 31 × 132 × 471

Prime Factorization of 23840

Prime factors of 23840 are 2, 5, 149. Prime factorization of 23840 in exponential form is:

23840 = 25 × 51 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 23829 and 23840.

LCM(23829,23840) = 31 × 132 × 471 × 25 × 51 × 1491
LCM(23829,23840) = 568083360