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What is the Least Common Multiple of 78437 and 78442?

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 78437 and 78442 is 6152755154.

LCM(78437,78442) = 6152755154

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Least Common Multiple of 78437 and 78442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78437 and 78442, than apply into the LCM equation.

GCF(78437,78442) = 1
LCM(78437,78442) = ( 78437 × 78442) / 1
LCM(78437,78442) = 6152755154 / 1
LCM(78437,78442) = 6152755154

Least Common Multiple (LCM) of 78437 and 78442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78437 and 78442. First we will calculate the prime factors of 78437 and 78442.

Prime Factorization of 78437

Prime factors of 78437 are 78437. Prime factorization of 78437 in exponential form is:

78437 = 784371

Prime Factorization of 78442

Prime factors of 78442 are 2, 7, 13, 431. Prime factorization of 78442 in exponential form is:

78442 = 21 × 71 × 131 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 78437 and 78442.

LCM(78437,78442) = 784371 × 21 × 71 × 131 × 4311
LCM(78437,78442) = 6152755154