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What is the Least Common Multiple of 43100 and 43109?

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 43100 and 43109 is 1857997900.

LCM(43100,43109) = 1857997900

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Least Common Multiple of 43100 and 43109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43100 and 43109, than apply into the LCM equation.

GCF(43100,43109) = 1
LCM(43100,43109) = ( 43100 × 43109) / 1
LCM(43100,43109) = 1857997900 / 1
LCM(43100,43109) = 1857997900

Least Common Multiple (LCM) of 43100 and 43109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43100 and 43109. First we will calculate the prime factors of 43100 and 43109.

Prime Factorization of 43100

Prime factors of 43100 are 2, 5, 431. Prime factorization of 43100 in exponential form is:

43100 = 22 × 52 × 4311

Prime Factorization of 43109

Prime factors of 43109 are 11, 3919. Prime factorization of 43109 in exponential form is:

43109 = 111 × 39191

Now multiplying the highest exponent prime factors to calculate the LCM of 43100 and 43109.

LCM(43100,43109) = 22 × 52 × 4311 × 111 × 39191
LCM(43100,43109) = 1857997900