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What is the Least Common Multiple of 51578 and 51598?

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 51578 and 51598 is 1330660822.

LCM(51578,51598) = 1330660822

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Least Common Multiple of 51578 and 51598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51578 and 51598, than apply into the LCM equation.

GCF(51578,51598) = 2
LCM(51578,51598) = ( 51578 × 51598) / 2
LCM(51578,51598) = 2661321644 / 2
LCM(51578,51598) = 1330660822

Least Common Multiple (LCM) of 51578 and 51598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51578 and 51598. First we will calculate the prime factors of 51578 and 51598.

Prime Factorization of 51578

Prime factors of 51578 are 2, 17, 37, 41. Prime factorization of 51578 in exponential form is:

51578 = 21 × 171 × 371 × 411

Prime Factorization of 51598

Prime factors of 51598 are 2, 25799. Prime factorization of 51598 in exponential form is:

51598 = 21 × 257991

Now multiplying the highest exponent prime factors to calculate the LCM of 51578 and 51598.

LCM(51578,51598) = 21 × 171 × 371 × 411 × 257991
LCM(51578,51598) = 1330660822