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What is the Least Common Multiple of 78498 and 78517?

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 78498 and 78517 is 6163427466.

LCM(78498,78517) = 6163427466

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Least Common Multiple of 78498 and 78517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78498 and 78517, than apply into the LCM equation.

GCF(78498,78517) = 1
LCM(78498,78517) = ( 78498 × 78517) / 1
LCM(78498,78517) = 6163427466 / 1
LCM(78498,78517) = 6163427466

Least Common Multiple (LCM) of 78498 and 78517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78498 and 78517. First we will calculate the prime factors of 78498 and 78517.

Prime Factorization of 78498

Prime factors of 78498 are 2, 3, 7, 89. Prime factorization of 78498 in exponential form is:

78498 = 21 × 32 × 72 × 891

Prime Factorization of 78517

Prime factors of 78517 are 78517. Prime factorization of 78517 in exponential form is:

78517 = 785171

Now multiplying the highest exponent prime factors to calculate the LCM of 78498 and 78517.

LCM(78498,78517) = 21 × 32 × 72 × 891 × 785171
LCM(78498,78517) = 6163427466