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What is the Least Common Multiple of 78278 and 78296?

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 78278 and 78296 is 3064427144.

LCM(78278,78296) = 3064427144

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Least Common Multiple of 78278 and 78296 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78278 and 78296, than apply into the LCM equation.

GCF(78278,78296) = 2
LCM(78278,78296) = ( 78278 × 78296) / 2
LCM(78278,78296) = 6128854288 / 2
LCM(78278,78296) = 3064427144

Least Common Multiple (LCM) of 78278 and 78296 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78278 and 78296. First we will calculate the prime factors of 78278 and 78296.

Prime Factorization of 78278

Prime factors of 78278 are 2, 39139. Prime factorization of 78278 in exponential form is:

78278 = 21 × 391391

Prime Factorization of 78296

Prime factors of 78296 are 2, 9787. Prime factorization of 78296 in exponential form is:

78296 = 23 × 97871

Now multiplying the highest exponent prime factors to calculate the LCM of 78278 and 78296.

LCM(78278,78296) = 23 × 391391 × 97871
LCM(78278,78296) = 3064427144