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What is the Least Common Multiple of 67778 and 67787?

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 67778 and 67787 is 4594467286.

LCM(67778,67787) = 4594467286

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Least Common Multiple of 67778 and 67787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67778 and 67787, than apply into the LCM equation.

GCF(67778,67787) = 1
LCM(67778,67787) = ( 67778 × 67787) / 1
LCM(67778,67787) = 4594467286 / 1
LCM(67778,67787) = 4594467286

Least Common Multiple (LCM) of 67778 and 67787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67778 and 67787. First we will calculate the prime factors of 67778 and 67787.

Prime Factorization of 67778

Prime factors of 67778 are 2, 33889. Prime factorization of 67778 in exponential form is:

67778 = 21 × 338891

Prime Factorization of 67787

Prime factors of 67787 are 53, 1279. Prime factorization of 67787 in exponential form is:

67787 = 531 × 12791

Now multiplying the highest exponent prime factors to calculate the LCM of 67778 and 67787.

LCM(67778,67787) = 21 × 338891 × 531 × 12791
LCM(67778,67787) = 4594467286