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What is the Least Common Multiple of 28519 and 28535?

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 28519 and 28535 is 813789665.

LCM(28519,28535) = 813789665

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Least Common Multiple of 28519 and 28535 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28519 and 28535, than apply into the LCM equation.

GCF(28519,28535) = 1
LCM(28519,28535) = ( 28519 × 28535) / 1
LCM(28519,28535) = 813789665 / 1
LCM(28519,28535) = 813789665

Least Common Multiple (LCM) of 28519 and 28535 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28519 and 28535. First we will calculate the prime factors of 28519 and 28535.

Prime Factorization of 28519

Prime factors of 28519 are 19, 79. Prime factorization of 28519 in exponential form is:

28519 = 192 × 791

Prime Factorization of 28535

Prime factors of 28535 are 5, 13, 439. Prime factorization of 28535 in exponential form is:

28535 = 51 × 131 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 28519 and 28535.

LCM(28519,28535) = 192 × 791 × 51 × 131 × 4391
LCM(28519,28535) = 813789665