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What is the Least Common Multiple of 55540 and 55559?

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 55540 and 55559 is 3085746860.

LCM(55540,55559) = 3085746860

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Least Common Multiple of 55540 and 55559 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55540 and 55559, than apply into the LCM equation.

GCF(55540,55559) = 1
LCM(55540,55559) = ( 55540 × 55559) / 1
LCM(55540,55559) = 3085746860 / 1
LCM(55540,55559) = 3085746860

Least Common Multiple (LCM) of 55540 and 55559 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55540 and 55559. First we will calculate the prime factors of 55540 and 55559.

Prime Factorization of 55540

Prime factors of 55540 are 2, 5, 2777. Prime factorization of 55540 in exponential form is:

55540 = 22 × 51 × 27771

Prime Factorization of 55559

Prime factors of 55559 are 7, 7937. Prime factorization of 55559 in exponential form is:

55559 = 71 × 79371

Now multiplying the highest exponent prime factors to calculate the LCM of 55540 and 55559.

LCM(55540,55559) = 22 × 51 × 27771 × 71 × 79371
LCM(55540,55559) = 3085746860