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What is the Least Common Multiple of 2858 and 2878?

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 2858 and 2878 is 4112662.

LCM(2858,2878) = 4112662

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Least Common Multiple of 2858 and 2878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2858 and 2878, than apply into the LCM equation.

GCF(2858,2878) = 2
LCM(2858,2878) = ( 2858 × 2878) / 2
LCM(2858,2878) = 8225324 / 2
LCM(2858,2878) = 4112662

Least Common Multiple (LCM) of 2858 and 2878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2858 and 2878. First we will calculate the prime factors of 2858 and 2878.

Prime Factorization of 2858

Prime factors of 2858 are 2, 1429. Prime factorization of 2858 in exponential form is:

2858 = 21 × 14291

Prime Factorization of 2878

Prime factors of 2878 are 2, 1439. Prime factorization of 2878 in exponential form is:

2878 = 21 × 14391

Now multiplying the highest exponent prime factors to calculate the LCM of 2858 and 2878.

LCM(2858,2878) = 21 × 14291 × 14391
LCM(2858,2878) = 4112662