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What is the Least Common Multiple of 28688 and 28693?

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 28688 and 28693 is 823144784.

LCM(28688,28693) = 823144784

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Least Common Multiple of 28688 and 28693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28688 and 28693, than apply into the LCM equation.

GCF(28688,28693) = 1
LCM(28688,28693) = ( 28688 × 28693) / 1
LCM(28688,28693) = 823144784 / 1
LCM(28688,28693) = 823144784

Least Common Multiple (LCM) of 28688 and 28693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28688 and 28693. First we will calculate the prime factors of 28688 and 28693.

Prime Factorization of 28688

Prime factors of 28688 are 2, 11, 163. Prime factorization of 28688 in exponential form is:

28688 = 24 × 111 × 1631

Prime Factorization of 28693

Prime factors of 28693 are 7, 4099. Prime factorization of 28693 in exponential form is:

28693 = 71 × 40991

Now multiplying the highest exponent prime factors to calculate the LCM of 28688 and 28693.

LCM(28688,28693) = 24 × 111 × 1631 × 71 × 40991
LCM(28688,28693) = 823144784