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What is the Least Common Multiple of 75647 and 75657?

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 75647 and 75657 is 5723225079.

LCM(75647,75657) = 5723225079

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Least Common Multiple of 75647 and 75657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75647 and 75657, than apply into the LCM equation.

GCF(75647,75657) = 1
LCM(75647,75657) = ( 75647 × 75657) / 1
LCM(75647,75657) = 5723225079 / 1
LCM(75647,75657) = 5723225079

Least Common Multiple (LCM) of 75647 and 75657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75647 and 75657. First we will calculate the prime factors of 75647 and 75657.

Prime Factorization of 75647

Prime factors of 75647 are 11, 13, 23. Prime factorization of 75647 in exponential form is:

75647 = 111 × 131 × 232

Prime Factorization of 75657

Prime factors of 75657 are 3, 25219. Prime factorization of 75657 in exponential form is:

75657 = 31 × 252191

Now multiplying the highest exponent prime factors to calculate the LCM of 75647 and 75657.

LCM(75647,75657) = 111 × 131 × 232 × 31 × 252191
LCM(75647,75657) = 5723225079