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What is the Least Common Multiple of 55821 and 55831?

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 55821 and 55831 is 3116542251.

LCM(55821,55831) = 3116542251

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Least Common Multiple of 55821 and 55831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55821 and 55831, than apply into the LCM equation.

GCF(55821,55831) = 1
LCM(55821,55831) = ( 55821 × 55831) / 1
LCM(55821,55831) = 3116542251 / 1
LCM(55821,55831) = 3116542251

Least Common Multiple (LCM) of 55821 and 55831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55821 and 55831. First we will calculate the prime factors of 55821 and 55831.

Prime Factorization of 55821

Prime factors of 55821 are 3, 23, 809. Prime factorization of 55821 in exponential form is:

55821 = 31 × 231 × 8091

Prime Factorization of 55831

Prime factors of 55831 are 31, 1801. Prime factorization of 55831 in exponential form is:

55831 = 311 × 18011

Now multiplying the highest exponent prime factors to calculate the LCM of 55821 and 55831.

LCM(55821,55831) = 31 × 231 × 8091 × 311 × 18011
LCM(55821,55831) = 3116542251