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What is the Least Common Multiple of 28616 and 28626?

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 28626 is 409580808.

LCM(28616,28626) = 409580808

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Least Common Multiple of 28616 and 28626 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 28626, than apply into the LCM equation.

GCF(28616,28626) = 2
LCM(28616,28626) = ( 28616 × 28626) / 2
LCM(28616,28626) = 819161616 / 2
LCM(28616,28626) = 409580808

Least Common Multiple (LCM) of 28616 and 28626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28616 and 28626. First we will calculate the prime factors of 28616 and 28626.

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 28626

Prime factors of 28626 are 2, 3, 13, 367. Prime factorization of 28626 in exponential form is:

28626 = 21 × 31 × 131 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 28616 and 28626.

LCM(28616,28626) = 23 × 72 × 731 × 31 × 131 × 3671
LCM(28616,28626) = 409580808