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What is the Least Common Multiple of 55821 and 55830?

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 55830 is 1038828810.

LCM(55821,55830) = 1038828810

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Least Common Multiple of 55821 and 55830 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 55830, than apply into the LCM equation.

GCF(55821,55830) = 3
LCM(55821,55830) = ( 55821 × 55830) / 3
LCM(55821,55830) = 3116486430 / 3
LCM(55821,55830) = 1038828810

Least Common Multiple (LCM) of 55821 and 55830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55821 and 55830. First we will calculate the prime factors of 55821 and 55830.

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 55830

Prime factors of 55830 are 2, 3, 5, 1861. Prime factorization of 55830 in exponential form is:

55830 = 21 × 31 × 51 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 55821 and 55830.

LCM(55821,55830) = 31 × 231 × 8091 × 21 × 51 × 18611
LCM(55821,55830) = 1038828810