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What is the Least Common Multiple of 5630 and 5648?

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 5630 and 5648 is 15899120.

LCM(5630,5648) = 15899120

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Least Common Multiple of 5630 and 5648 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5630 and 5648, than apply into the LCM equation.

GCF(5630,5648) = 2
LCM(5630,5648) = ( 5630 × 5648) / 2
LCM(5630,5648) = 31798240 / 2
LCM(5630,5648) = 15899120

Least Common Multiple (LCM) of 5630 and 5648 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5630 and 5648. First we will calculate the prime factors of 5630 and 5648.

Prime Factorization of 5630

Prime factors of 5630 are 2, 5, 563. Prime factorization of 5630 in exponential form is:

5630 = 21 × 51 × 5631

Prime Factorization of 5648

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

5648 = 24 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 5630 and 5648.

LCM(5630,5648) = 24 × 51 × 5631 × 3531
LCM(5630,5648) = 15899120