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What is the Least Common Multiple of 45643 and 45649?

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 45643 and 45649 is 2083557307.

LCM(45643,45649) = 2083557307

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Least Common Multiple of 45643 and 45649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45643 and 45649, than apply into the LCM equation.

GCF(45643,45649) = 1
LCM(45643,45649) = ( 45643 × 45649) / 1
LCM(45643,45649) = 2083557307 / 1
LCM(45643,45649) = 2083557307

Least Common Multiple (LCM) of 45643 and 45649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45643 and 45649. First we will calculate the prime factors of 45643 and 45649.

Prime Factorization of 45643

Prime factors of 45643 are 13, 3511. Prime factorization of 45643 in exponential form is:

45643 = 131 × 35111

Prime Factorization of 45649

Prime factors of 45649 are 191, 239. Prime factorization of 45649 in exponential form is:

45649 = 1911 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 45643 and 45649.

LCM(45643,45649) = 131 × 35111 × 1911 × 2391
LCM(45643,45649) = 2083557307