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What is the Least Common Multiple of 55503 and 55521?

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 55503 and 55521 is 342398007.

LCM(55503,55521) = 342398007

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Least Common Multiple of 55503 and 55521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55503 and 55521, than apply into the LCM equation.

GCF(55503,55521) = 9
LCM(55503,55521) = ( 55503 × 55521) / 9
LCM(55503,55521) = 3081582063 / 9
LCM(55503,55521) = 342398007

Least Common Multiple (LCM) of 55503 and 55521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55503 and 55521. First we will calculate the prime factors of 55503 and 55521.

Prime Factorization of 55503

Prime factors of 55503 are 3, 7, 881. Prime factorization of 55503 in exponential form is:

55503 = 32 × 71 × 8811

Prime Factorization of 55521

Prime factors of 55521 are 3, 31, 199. Prime factorization of 55521 in exponential form is:

55521 = 32 × 311 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 55503 and 55521.

LCM(55503,55521) = 32 × 71 × 8811 × 311 × 1991
LCM(55503,55521) = 342398007