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What is the Least Common Multiple of 55490 and 55502?

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 55490 and 55502 is 1539902990.

LCM(55490,55502) = 1539902990

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Least Common Multiple of 55490 and 55502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55490 and 55502, than apply into the LCM equation.

GCF(55490,55502) = 2
LCM(55490,55502) = ( 55490 × 55502) / 2
LCM(55490,55502) = 3079805980 / 2
LCM(55490,55502) = 1539902990

Least Common Multiple (LCM) of 55490 and 55502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55490 and 55502. First we will calculate the prime factors of 55490 and 55502.

Prime Factorization of 55490

Prime factors of 55490 are 2, 5, 31, 179. Prime factorization of 55490 in exponential form is:

55490 = 21 × 51 × 311 × 1791

Prime Factorization of 55502

Prime factors of 55502 are 2, 27751. Prime factorization of 55502 in exponential form is:

55502 = 21 × 277511

Now multiplying the highest exponent prime factors to calculate the LCM of 55490 and 55502.

LCM(55490,55502) = 21 × 51 × 311 × 1791 × 277511
LCM(55490,55502) = 1539902990