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What is the Least Common Multiple of 55518 and 55538?

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 55518 and 55538 is 1541679342.

LCM(55518,55538) = 1541679342

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Least Common Multiple of 55518 and 55538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55518 and 55538, than apply into the LCM equation.

GCF(55518,55538) = 2
LCM(55518,55538) = ( 55518 × 55538) / 2
LCM(55518,55538) = 3083358684 / 2
LCM(55518,55538) = 1541679342

Least Common Multiple (LCM) of 55518 and 55538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55518 and 55538. First we will calculate the prime factors of 55518 and 55538.

Prime Factorization of 55518

Prime factors of 55518 are 2, 3, 19, 487. Prime factorization of 55518 in exponential form is:

55518 = 21 × 31 × 191 × 4871

Prime Factorization of 55538

Prime factors of 55538 are 2, 7, 3967. Prime factorization of 55538 in exponential form is:

55538 = 21 × 71 × 39671

Now multiplying the highest exponent prime factors to calculate the LCM of 55518 and 55538.

LCM(55518,55538) = 21 × 31 × 191 × 4871 × 71 × 39671
LCM(55518,55538) = 1541679342