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What is the Least Common Multiple of 67418 and 67424?

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 67418 and 67424 is 2272795616.

LCM(67418,67424) = 2272795616

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Least Common Multiple of 67418 and 67424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67418 and 67424, than apply into the LCM equation.

GCF(67418,67424) = 2
LCM(67418,67424) = ( 67418 × 67424) / 2
LCM(67418,67424) = 4545591232 / 2
LCM(67418,67424) = 2272795616

Least Common Multiple (LCM) of 67418 and 67424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67418 and 67424. First we will calculate the prime factors of 67418 and 67424.

Prime Factorization of 67418

Prime factors of 67418 are 2, 13, 2593. Prime factorization of 67418 in exponential form is:

67418 = 21 × 131 × 25931

Prime Factorization of 67424

Prime factors of 67424 are 2, 7, 43. Prime factorization of 67424 in exponential form is:

67424 = 25 × 72 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 67418 and 67424.

LCM(67418,67424) = 25 × 131 × 25931 × 72 × 431
LCM(67418,67424) = 2272795616