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What is the Least Common Multiple of 5648 and 5662?

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 5662 is 15989488.

LCM(5648,5662) = 15989488

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Least Common Multiple of 5648 and 5662 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 5662, than apply into the LCM equation.

GCF(5648,5662) = 2
LCM(5648,5662) = ( 5648 × 5662) / 2
LCM(5648,5662) = 31978976 / 2
LCM(5648,5662) = 15989488

Least Common Multiple (LCM) of 5648 and 5662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5648 and 5662. First we will calculate the prime factors of 5648 and 5662.

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 5662

Prime factors of 5662 are 2, 19, 149. Prime factorization of 5662 in exponential form is:

5662 = 21 × 191 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 5648 and 5662.

LCM(5648,5662) = 24 × 3531 × 191 × 1491
LCM(5648,5662) = 15989488