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What is the Least Common Multiple of 78499 and 78505?

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 78499 and 78505 is 6162563995.

LCM(78499,78505) = 6162563995

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Least Common Multiple of 78499 and 78505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78499 and 78505, than apply into the LCM equation.

GCF(78499,78505) = 1
LCM(78499,78505) = ( 78499 × 78505) / 1
LCM(78499,78505) = 6162563995 / 1
LCM(78499,78505) = 6162563995

Least Common Multiple (LCM) of 78499 and 78505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78499 and 78505. First we will calculate the prime factors of 78499 and 78505.

Prime Factorization of 78499

Prime factors of 78499 are 23, 3413. Prime factorization of 78499 in exponential form is:

78499 = 231 × 34131

Prime Factorization of 78505

Prime factors of 78505 are 5, 7, 2243. Prime factorization of 78505 in exponential form is:

78505 = 51 × 71 × 22431

Now multiplying the highest exponent prime factors to calculate the LCM of 78499 and 78505.

LCM(78499,78505) = 231 × 34131 × 51 × 71 × 22431
LCM(78499,78505) = 6162563995