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What is the Least Common Multiple of 78613 and 78631?

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 78613 and 78631 is 6181418803.

LCM(78613,78631) = 6181418803

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Least Common Multiple of 78613 and 78631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78613 and 78631, than apply into the LCM equation.

GCF(78613,78631) = 1
LCM(78613,78631) = ( 78613 × 78631) / 1
LCM(78613,78631) = 6181418803 / 1
LCM(78613,78631) = 6181418803

Least Common Multiple (LCM) of 78613 and 78631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78613 and 78631. First we will calculate the prime factors of 78613 and 78631.

Prime Factorization of 78613

Prime factors of 78613 are 127, 619. Prime factorization of 78613 in exponential form is:

78613 = 1271 × 6191

Prime Factorization of 78631

Prime factors of 78631 are 7, 47, 239. Prime factorization of 78631 in exponential form is:

78631 = 71 × 471 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 78613 and 78631.

LCM(78613,78631) = 1271 × 6191 × 71 × 471 × 2391
LCM(78613,78631) = 6181418803