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What is the Least Common Multiple of 28123 and 28132?

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 28123 and 28132 is 791156236.

LCM(28123,28132) = 791156236

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Least Common Multiple of 28123 and 28132 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28123 and 28132, than apply into the LCM equation.

GCF(28123,28132) = 1
LCM(28123,28132) = ( 28123 × 28132) / 1
LCM(28123,28132) = 791156236 / 1
LCM(28123,28132) = 791156236

Least Common Multiple (LCM) of 28123 and 28132 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28123 and 28132. First we will calculate the prime factors of 28123 and 28132.

Prime Factorization of 28123

Prime factors of 28123 are 28123. Prime factorization of 28123 in exponential form is:

28123 = 281231

Prime Factorization of 28132

Prime factors of 28132 are 2, 13, 541. Prime factorization of 28132 in exponential form is:

28132 = 22 × 131 × 5411

Now multiplying the highest exponent prime factors to calculate the LCM of 28123 and 28132.

LCM(28123,28132) = 281231 × 22 × 131 × 5411
LCM(28123,28132) = 791156236