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What is the Least Common Multiple of 67792 and 67808?

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 67792 and 67808 is 287302496.

LCM(67792,67808) = 287302496

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Least Common Multiple of 67792 and 67808 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67792 and 67808, than apply into the LCM equation.

GCF(67792,67808) = 16
LCM(67792,67808) = ( 67792 × 67808) / 16
LCM(67792,67808) = 4596839936 / 16
LCM(67792,67808) = 287302496

Least Common Multiple (LCM) of 67792 and 67808 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67792 and 67808. First we will calculate the prime factors of 67792 and 67808.

Prime Factorization of 67792

Prime factors of 67792 are 2, 19, 223. Prime factorization of 67792 in exponential form is:

67792 = 24 × 191 × 2231

Prime Factorization of 67808

Prime factors of 67808 are 2, 13, 163. Prime factorization of 67808 in exponential form is:

67808 = 25 × 131 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 67792 and 67808.

LCM(67792,67808) = 25 × 191 × 2231 × 131 × 1631
LCM(67792,67808) = 287302496