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What is the Least Common Multiple of 55840 and 55857?

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 55840 and 55857 is 3119054880.

LCM(55840,55857) = 3119054880

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Least Common Multiple of 55840 and 55857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55840 and 55857, than apply into the LCM equation.

GCF(55840,55857) = 1
LCM(55840,55857) = ( 55840 × 55857) / 1
LCM(55840,55857) = 3119054880 / 1
LCM(55840,55857) = 3119054880

Least Common Multiple (LCM) of 55840 and 55857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55840 and 55857. First we will calculate the prime factors of 55840 and 55857.

Prime Factorization of 55840

Prime factors of 55840 are 2, 5, 349. Prime factorization of 55840 in exponential form is:

55840 = 25 × 51 × 3491

Prime Factorization of 55857

Prime factors of 55857 are 3, 43, 433. Prime factorization of 55857 in exponential form is:

55857 = 31 × 431 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 55840 and 55857.

LCM(55840,55857) = 25 × 51 × 3491 × 31 × 431 × 4331
LCM(55840,55857) = 3119054880