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What is the Least Common Multiple of 8416 and 8424?

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 8416 and 8424 is 8862048.

LCM(8416,8424) = 8862048

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Least Common Multiple of 8416 and 8424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8416 and 8424, than apply into the LCM equation.

GCF(8416,8424) = 8
LCM(8416,8424) = ( 8416 × 8424) / 8
LCM(8416,8424) = 70896384 / 8
LCM(8416,8424) = 8862048

Least Common Multiple (LCM) of 8416 and 8424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8416 and 8424. First we will calculate the prime factors of 8416 and 8424.

Prime Factorization of 8416

Prime factors of 8416 are 2, 263. Prime factorization of 8416 in exponential form is:

8416 = 25 × 2631

Prime Factorization of 8424

Prime factors of 8424 are 2, 3, 13. Prime factorization of 8424 in exponential form is:

8424 = 23 × 34 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 8416 and 8424.

LCM(8416,8424) = 25 × 2631 × 34 × 131
LCM(8416,8424) = 8862048