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What is the Least Common Multiple of 5648 and 5655?

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 5648 and 5655 is 31939440.

LCM(5648,5655) = 31939440

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Least Common Multiple of 5648 and 5655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5648 and 5655, than apply into the LCM equation.

GCF(5648,5655) = 1
LCM(5648,5655) = ( 5648 × 5655) / 1
LCM(5648,5655) = 31939440 / 1
LCM(5648,5655) = 31939440

Least Common Multiple (LCM) of 5648 and 5655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5648 and 5655. First we will calculate the prime factors of 5648 and 5655.

Prime Factorization of 5648

Prime factors of 5648 are 2, 353. Prime factorization of 5648 in exponential form is:

5648 = 24 × 3531

Prime Factorization of 5655

Prime factors of 5655 are 3, 5, 13, 29. Prime factorization of 5655 in exponential form is:

5655 = 31 × 51 × 131 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 5648 and 5655.

LCM(5648,5655) = 24 × 3531 × 31 × 51 × 131 × 291
LCM(5648,5655) = 31939440