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What is the Least Common Multiple of 24420 and 24431?

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 24420 and 24431 is 54236820.

LCM(24420,24431) = 54236820

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Least Common Multiple of 24420 and 24431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 24420 and 24431, than apply into the LCM equation.

GCF(24420,24431) = 11
LCM(24420,24431) = ( 24420 × 24431) / 11
LCM(24420,24431) = 596605020 / 11
LCM(24420,24431) = 54236820

Least Common Multiple (LCM) of 24420 and 24431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 24420 and 24431. First we will calculate the prime factors of 24420 and 24431.

Prime Factorization of 24420

Prime factors of 24420 are 2, 3, 5, 11, 37. Prime factorization of 24420 in exponential form is:

24420 = 22 × 31 × 51 × 111 × 371

Prime Factorization of 24431

Prime factors of 24431 are 11, 2221. Prime factorization of 24431 in exponential form is:

24431 = 111 × 22211

Now multiplying the highest exponent prime factors to calculate the LCM of 24420 and 24431.

LCM(24420,24431) = 22 × 31 × 51 × 111 × 371 × 22211
LCM(24420,24431) = 54236820