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What is the Least Common Multiple of 15665 and 15671?

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 15665 and 15671 is 245486215.

LCM(15665,15671) = 245486215

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Least Common Multiple of 15665 and 15671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15665 and 15671, than apply into the LCM equation.

GCF(15665,15671) = 1
LCM(15665,15671) = ( 15665 × 15671) / 1
LCM(15665,15671) = 245486215 / 1
LCM(15665,15671) = 245486215

Least Common Multiple (LCM) of 15665 and 15671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15665 and 15671. First we will calculate the prime factors of 15665 and 15671.

Prime Factorization of 15665

Prime factors of 15665 are 5, 13, 241. Prime factorization of 15665 in exponential form is:

15665 = 51 × 131 × 2411

Prime Factorization of 15671

Prime factors of 15671 are 15671. Prime factorization of 15671 in exponential form is:

15671 = 156711

Now multiplying the highest exponent prime factors to calculate the LCM of 15665 and 15671.

LCM(15665,15671) = 51 × 131 × 2411 × 156711
LCM(15665,15671) = 245486215