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What is the Least Common Multiple of 5520 and 5530?

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 5520 and 5530 is 3052560.

LCM(5520,5530) = 3052560

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Least Common Multiple of 5520 and 5530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5520 and 5530, than apply into the LCM equation.

GCF(5520,5530) = 10
LCM(5520,5530) = ( 5520 × 5530) / 10
LCM(5520,5530) = 30525600 / 10
LCM(5520,5530) = 3052560

Least Common Multiple (LCM) of 5520 and 5530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5520 and 5530. First we will calculate the prime factors of 5520 and 5530.

Prime Factorization of 5520

Prime factors of 5520 are 2, 3, 5, 23. Prime factorization of 5520 in exponential form is:

5520 = 24 × 31 × 51 × 231

Prime Factorization of 5530

Prime factors of 5530 are 2, 5, 7, 79. Prime factorization of 5530 in exponential form is:

5530 = 21 × 51 × 71 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 5520 and 5530.

LCM(5520,5530) = 24 × 31 × 51 × 231 × 71 × 791
LCM(5520,5530) = 3052560