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What is the Least Common Multiple of 28796 and 28815?

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 28796 and 28815 is 829756740.

LCM(28796,28815) = 829756740

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Least Common Multiple of 28796 and 28815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28796 and 28815, than apply into the LCM equation.

GCF(28796,28815) = 1
LCM(28796,28815) = ( 28796 × 28815) / 1
LCM(28796,28815) = 829756740 / 1
LCM(28796,28815) = 829756740

Least Common Multiple (LCM) of 28796 and 28815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28796 and 28815. First we will calculate the prime factors of 28796 and 28815.

Prime Factorization of 28796

Prime factors of 28796 are 2, 23, 313. Prime factorization of 28796 in exponential form is:

28796 = 22 × 231 × 3131

Prime Factorization of 28815

Prime factors of 28815 are 3, 5, 17, 113. Prime factorization of 28815 in exponential form is:

28815 = 31 × 51 × 171 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 28796 and 28815.

LCM(28796,28815) = 22 × 231 × 3131 × 31 × 51 × 171 × 1131
LCM(28796,28815) = 829756740