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What is the Least Common Multiple of 78446 and 78465?

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 78446 and 78465 is 6155265390.

LCM(78446,78465) = 6155265390

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Least Common Multiple of 78446 and 78465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78446 and 78465, than apply into the LCM equation.

GCF(78446,78465) = 1
LCM(78446,78465) = ( 78446 × 78465) / 1
LCM(78446,78465) = 6155265390 / 1
LCM(78446,78465) = 6155265390

Least Common Multiple (LCM) of 78446 and 78465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78446 and 78465. First we will calculate the prime factors of 78446 and 78465.

Prime Factorization of 78446

Prime factors of 78446 are 2, 61, 643. Prime factorization of 78446 in exponential form is:

78446 = 21 × 611 × 6431

Prime Factorization of 78465

Prime factors of 78465 are 3, 5, 5231. Prime factorization of 78465 in exponential form is:

78465 = 31 × 51 × 52311

Now multiplying the highest exponent prime factors to calculate the LCM of 78446 and 78465.

LCM(78446,78465) = 21 × 611 × 6431 × 31 × 51 × 52311
LCM(78446,78465) = 6155265390