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What is the Least Common Multiple of 55461 and 55475?

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 55461 and 55475 is 439528425.

LCM(55461,55475) = 439528425

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Least Common Multiple of 55461 and 55475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55461 and 55475, than apply into the LCM equation.

GCF(55461,55475) = 7
LCM(55461,55475) = ( 55461 × 55475) / 7
LCM(55461,55475) = 3076698975 / 7
LCM(55461,55475) = 439528425

Least Common Multiple (LCM) of 55461 and 55475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55461 and 55475. First we will calculate the prime factors of 55461 and 55475.

Prime Factorization of 55461

Prime factors of 55461 are 3, 7, 19, 139. Prime factorization of 55461 in exponential form is:

55461 = 31 × 71 × 191 × 1391

Prime Factorization of 55475

Prime factors of 55475 are 5, 7, 317. Prime factorization of 55475 in exponential form is:

55475 = 52 × 71 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 55461 and 55475.

LCM(55461,55475) = 31 × 71 × 191 × 1391 × 52 × 3171
LCM(55461,55475) = 439528425