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What is the Least Common Multiple of 43417 and 43428?

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 43417 and 43428 is 171410316.

LCM(43417,43428) = 171410316

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Least Common Multiple of 43417 and 43428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43417 and 43428, than apply into the LCM equation.

GCF(43417,43428) = 11
LCM(43417,43428) = ( 43417 × 43428) / 11
LCM(43417,43428) = 1885513476 / 11
LCM(43417,43428) = 171410316

Least Common Multiple (LCM) of 43417 and 43428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43417 and 43428. First we will calculate the prime factors of 43417 and 43428.

Prime Factorization of 43417

Prime factors of 43417 are 11, 3947. Prime factorization of 43417 in exponential form is:

43417 = 111 × 39471

Prime Factorization of 43428

Prime factors of 43428 are 2, 3, 7, 11, 47. Prime factorization of 43428 in exponential form is:

43428 = 22 × 31 × 71 × 111 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 43417 and 43428.

LCM(43417,43428) = 111 × 39471 × 22 × 31 × 71 × 471
LCM(43417,43428) = 171410316