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What is the Least Common Multiple of 43265 and 43278?

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 43265 and 43278 is 1872422670.

LCM(43265,43278) = 1872422670

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Least Common Multiple of 43265 and 43278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43265 and 43278, than apply into the LCM equation.

GCF(43265,43278) = 1
LCM(43265,43278) = ( 43265 × 43278) / 1
LCM(43265,43278) = 1872422670 / 1
LCM(43265,43278) = 1872422670

Least Common Multiple (LCM) of 43265 and 43278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43265 and 43278. First we will calculate the prime factors of 43265 and 43278.

Prime Factorization of 43265

Prime factors of 43265 are 5, 17, 509. Prime factorization of 43265 in exponential form is:

43265 = 51 × 171 × 5091

Prime Factorization of 43278

Prime factors of 43278 are 2, 3, 7213. Prime factorization of 43278 in exponential form is:

43278 = 21 × 31 × 72131

Now multiplying the highest exponent prime factors to calculate the LCM of 43265 and 43278.

LCM(43265,43278) = 51 × 171 × 5091 × 21 × 31 × 72131
LCM(43265,43278) = 1872422670