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What is the Least Common Multiple of 5540 and 5552?

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 5540 and 5552 is 7689520.

LCM(5540,5552) = 7689520

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Least Common Multiple of 5540 and 5552 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5540 and 5552, than apply into the LCM equation.

GCF(5540,5552) = 4
LCM(5540,5552) = ( 5540 × 5552) / 4
LCM(5540,5552) = 30758080 / 4
LCM(5540,5552) = 7689520

Least Common Multiple (LCM) of 5540 and 5552 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5540 and 5552. First we will calculate the prime factors of 5540 and 5552.

Prime Factorization of 5540

Prime factors of 5540 are 2, 5, 277. Prime factorization of 5540 in exponential form is:

5540 = 22 × 51 × 2771

Prime Factorization of 5552

Prime factors of 5552 are 2, 347. Prime factorization of 5552 in exponential form is:

5552 = 24 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 5540 and 5552.

LCM(5540,5552) = 24 × 51 × 2771 × 3471
LCM(5540,5552) = 7689520