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What is the Least Common Multiple of 8603 and 8608?

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 8603 and 8608 is 74054624.

LCM(8603,8608) = 74054624

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Least Common Multiple of 8603 and 8608 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8603 and 8608, than apply into the LCM equation.

GCF(8603,8608) = 1
LCM(8603,8608) = ( 8603 × 8608) / 1
LCM(8603,8608) = 74054624 / 1
LCM(8603,8608) = 74054624

Least Common Multiple (LCM) of 8603 and 8608 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8603 and 8608. First we will calculate the prime factors of 8603 and 8608.

Prime Factorization of 8603

Prime factors of 8603 are 7, 1229. Prime factorization of 8603 in exponential form is:

8603 = 71 × 12291

Prime Factorization of 8608

Prime factors of 8608 are 2, 269. Prime factorization of 8608 in exponential form is:

8608 = 25 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 8603 and 8608.

LCM(8603,8608) = 71 × 12291 × 25 × 2691
LCM(8603,8608) = 74054624