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What is the Least Common Multiple of 43860 and 43864?

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 43860 and 43864 is 480968760.

LCM(43860,43864) = 480968760

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Least Common Multiple of 43860 and 43864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43860 and 43864, than apply into the LCM equation.

GCF(43860,43864) = 4
LCM(43860,43864) = ( 43860 × 43864) / 4
LCM(43860,43864) = 1923875040 / 4
LCM(43860,43864) = 480968760

Least Common Multiple (LCM) of 43860 and 43864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43860 and 43864. First we will calculate the prime factors of 43860 and 43864.

Prime Factorization of 43860

Prime factors of 43860 are 2, 3, 5, 17, 43. Prime factorization of 43860 in exponential form is:

43860 = 22 × 31 × 51 × 171 × 431

Prime Factorization of 43864

Prime factors of 43864 are 2, 5483. Prime factorization of 43864 in exponential form is:

43864 = 23 × 54831

Now multiplying the highest exponent prime factors to calculate the LCM of 43860 and 43864.

LCM(43860,43864) = 23 × 31 × 51 × 171 × 431 × 54831
LCM(43860,43864) = 480968760