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What is the Least Common Multiple of 78759 and 78778?

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 78759 and 78778 is 6204476502.

LCM(78759,78778) = 6204476502

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Least Common Multiple of 78759 and 78778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78759 and 78778, than apply into the LCM equation.

GCF(78759,78778) = 1
LCM(78759,78778) = ( 78759 × 78778) / 1
LCM(78759,78778) = 6204476502 / 1
LCM(78759,78778) = 6204476502

Least Common Multiple (LCM) of 78759 and 78778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78759 and 78778. First we will calculate the prime factors of 78759 and 78778.

Prime Factorization of 78759

Prime factors of 78759 are 3, 2917. Prime factorization of 78759 in exponential form is:

78759 = 33 × 29171

Prime Factorization of 78778

Prime factors of 78778 are 2, 7, 17, 331. Prime factorization of 78778 in exponential form is:

78778 = 21 × 71 × 171 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 78759 and 78778.

LCM(78759,78778) = 33 × 29171 × 21 × 71 × 171 × 3311
LCM(78759,78778) = 6204476502