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What is the Least Common Multiple of 28616 and 28623?

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 28616 and 28623 is 117010824.

LCM(28616,28623) = 117010824

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Least Common Multiple of 28616 and 28623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28616 and 28623, than apply into the LCM equation.

GCF(28616,28623) = 7
LCM(28616,28623) = ( 28616 × 28623) / 7
LCM(28616,28623) = 819075768 / 7
LCM(28616,28623) = 117010824

Least Common Multiple (LCM) of 28616 and 28623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28616 and 28623. First we will calculate the prime factors of 28616 and 28623.

Prime Factorization of 28616

Prime factors of 28616 are 2, 7, 73. Prime factorization of 28616 in exponential form is:

28616 = 23 × 72 × 731

Prime Factorization of 28623

Prime factors of 28623 are 3, 7, 29, 47. Prime factorization of 28623 in exponential form is:

28623 = 31 × 71 × 291 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 28616 and 28623.

LCM(28616,28623) = 23 × 72 × 731 × 31 × 291 × 471
LCM(28616,28623) = 117010824