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What is the Least Common Multiple of 47778 and 47788?

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 47778 and 47788 is 1141607532.

LCM(47778,47788) = 1141607532

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Least Common Multiple of 47778 and 47788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47778 and 47788, than apply into the LCM equation.

GCF(47778,47788) = 2
LCM(47778,47788) = ( 47778 × 47788) / 2
LCM(47778,47788) = 2283215064 / 2
LCM(47778,47788) = 1141607532

Least Common Multiple (LCM) of 47778 and 47788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47778 and 47788. First we will calculate the prime factors of 47778 and 47788.

Prime Factorization of 47778

Prime factors of 47778 are 2, 3, 7963. Prime factorization of 47778 in exponential form is:

47778 = 21 × 31 × 79631

Prime Factorization of 47788

Prime factors of 47788 are 2, 13, 919. Prime factorization of 47788 in exponential form is:

47788 = 22 × 131 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 47778 and 47788.

LCM(47778,47788) = 22 × 31 × 79631 × 131 × 9191
LCM(47778,47788) = 1141607532