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What is the Least Common Multiple of 55920 and 55931?

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 55920 and 55931 is 3127661520.

LCM(55920,55931) = 3127661520

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Least Common Multiple of 55920 and 55931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55920 and 55931, than apply into the LCM equation.

GCF(55920,55931) = 1
LCM(55920,55931) = ( 55920 × 55931) / 1
LCM(55920,55931) = 3127661520 / 1
LCM(55920,55931) = 3127661520

Least Common Multiple (LCM) of 55920 and 55931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55920 and 55931. First we will calculate the prime factors of 55920 and 55931.

Prime Factorization of 55920

Prime factors of 55920 are 2, 3, 5, 233. Prime factorization of 55920 in exponential form is:

55920 = 24 × 31 × 51 × 2331

Prime Factorization of 55931

Prime factors of 55931 are 55931. Prime factorization of 55931 in exponential form is:

55931 = 559311

Now multiplying the highest exponent prime factors to calculate the LCM of 55920 and 55931.

LCM(55920,55931) = 24 × 31 × 51 × 2331 × 559311
LCM(55920,55931) = 3127661520