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What is the Least Common Multiple of 78601 and 78615?

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 78601 and 78615 is 6179217615.

LCM(78601,78615) = 6179217615

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Least Common Multiple of 78601 and 78615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78601 and 78615, than apply into the LCM equation.

GCF(78601,78615) = 1
LCM(78601,78615) = ( 78601 × 78615) / 1
LCM(78601,78615) = 6179217615 / 1
LCM(78601,78615) = 6179217615

Least Common Multiple (LCM) of 78601 and 78615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78601 and 78615. First we will calculate the prime factors of 78601 and 78615.

Prime Factorization of 78601

Prime factors of 78601 are 83, 947. Prime factorization of 78601 in exponential form is:

78601 = 831 × 9471

Prime Factorization of 78615

Prime factors of 78615 are 3, 5, 1747. Prime factorization of 78615 in exponential form is:

78615 = 32 × 51 × 17471

Now multiplying the highest exponent prime factors to calculate the LCM of 78601 and 78615.

LCM(78601,78615) = 831 × 9471 × 32 × 51 × 17471
LCM(78601,78615) = 6179217615