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What is the Least Common Multiple of 78251 and 78256?

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 78251 and 78256 is 6123610256.

LCM(78251,78256) = 6123610256

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Least Common Multiple of 78251 and 78256 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78251 and 78256, than apply into the LCM equation.

GCF(78251,78256) = 1
LCM(78251,78256) = ( 78251 × 78256) / 1
LCM(78251,78256) = 6123610256 / 1
LCM(78251,78256) = 6123610256

Least Common Multiple (LCM) of 78251 and 78256 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78251 and 78256. First we will calculate the prime factors of 78251 and 78256.

Prime Factorization of 78251

Prime factors of 78251 are 17, 4603. Prime factorization of 78251 in exponential form is:

78251 = 171 × 46031

Prime Factorization of 78256

Prime factors of 78256 are 2, 67, 73. Prime factorization of 78256 in exponential form is:

78256 = 24 × 671 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 78251 and 78256.

LCM(78251,78256) = 171 × 46031 × 24 × 671 × 731
LCM(78251,78256) = 6123610256