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What is the Least Common Multiple of 67718 and 67724?

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 67718 and 67724 is 2293066916.

LCM(67718,67724) = 2293066916

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Least Common Multiple of 67718 and 67724 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67718 and 67724, than apply into the LCM equation.

GCF(67718,67724) = 2
LCM(67718,67724) = ( 67718 × 67724) / 2
LCM(67718,67724) = 4586133832 / 2
LCM(67718,67724) = 2293066916

Least Common Multiple (LCM) of 67718 and 67724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67718 and 67724. First we will calculate the prime factors of 67718 and 67724.

Prime Factorization of 67718

Prime factors of 67718 are 2, 7, 691. Prime factorization of 67718 in exponential form is:

67718 = 21 × 72 × 6911

Prime Factorization of 67724

Prime factors of 67724 are 2, 16931. Prime factorization of 67724 in exponential form is:

67724 = 22 × 169311

Now multiplying the highest exponent prime factors to calculate the LCM of 67718 and 67724.

LCM(67718,67724) = 22 × 72 × 6911 × 169311
LCM(67718,67724) = 2293066916