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What is the Least Common Multiple of 78491 and 78503?

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 78491 and 78503 is 6161778973.

LCM(78491,78503) = 6161778973

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Least Common Multiple of 78491 and 78503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78491 and 78503, than apply into the LCM equation.

GCF(78491,78503) = 1
LCM(78491,78503) = ( 78491 × 78503) / 1
LCM(78491,78503) = 6161778973 / 1
LCM(78491,78503) = 6161778973

Least Common Multiple (LCM) of 78491 and 78503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78491 and 78503. First we will calculate the prime factors of 78491 and 78503.

Prime Factorization of 78491

Prime factors of 78491 are 7, 11213. Prime factorization of 78491 in exponential form is:

78491 = 71 × 112131

Prime Factorization of 78503

Prime factors of 78503 are 29, 2707. Prime factorization of 78503 in exponential form is:

78503 = 291 × 27071

Now multiplying the highest exponent prime factors to calculate the LCM of 78491 and 78503.

LCM(78491,78503) = 71 × 112131 × 291 × 27071
LCM(78491,78503) = 6161778973