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What is the Least Common Multiple of 5480 and 5486?

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 5480 and 5486 is 15031640.

LCM(5480,5486) = 15031640

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Least Common Multiple of 5480 and 5486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5480 and 5486, than apply into the LCM equation.

GCF(5480,5486) = 2
LCM(5480,5486) = ( 5480 × 5486) / 2
LCM(5480,5486) = 30063280 / 2
LCM(5480,5486) = 15031640

Least Common Multiple (LCM) of 5480 and 5486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5480 and 5486. First we will calculate the prime factors of 5480 and 5486.

Prime Factorization of 5480

Prime factors of 5480 are 2, 5, 137. Prime factorization of 5480 in exponential form is:

5480 = 23 × 51 × 1371

Prime Factorization of 5486

Prime factors of 5486 are 2, 13, 211. Prime factorization of 5486 in exponential form is:

5486 = 21 × 131 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 5480 and 5486.

LCM(5480,5486) = 23 × 51 × 1371 × 131 × 2111
LCM(5480,5486) = 15031640