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What is the Least Common Multiple of 78247 and 78254?

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 78247 and 78254 is 6123140738.

LCM(78247,78254) = 6123140738

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Least Common Multiple of 78247 and 78254 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78247 and 78254, than apply into the LCM equation.

GCF(78247,78254) = 1
LCM(78247,78254) = ( 78247 × 78254) / 1
LCM(78247,78254) = 6123140738 / 1
LCM(78247,78254) = 6123140738

Least Common Multiple (LCM) of 78247 and 78254 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78247 and 78254. First we will calculate the prime factors of 78247 and 78254.

Prime Factorization of 78247

Prime factors of 78247 are 13, 463. Prime factorization of 78247 in exponential form is:

78247 = 132 × 4631

Prime Factorization of 78254

Prime factors of 78254 are 2, 11, 3557. Prime factorization of 78254 in exponential form is:

78254 = 21 × 111 × 35571

Now multiplying the highest exponent prime factors to calculate the LCM of 78247 and 78254.

LCM(78247,78254) = 132 × 4631 × 21 × 111 × 35571
LCM(78247,78254) = 6123140738