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What is the Least Common Multiple of 8109 and 8124?

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 8109 and 8124 is 21959172.

LCM(8109,8124) = 21959172

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Least Common Multiple of 8109 and 8124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8109 and 8124, than apply into the LCM equation.

GCF(8109,8124) = 3
LCM(8109,8124) = ( 8109 × 8124) / 3
LCM(8109,8124) = 65877516 / 3
LCM(8109,8124) = 21959172

Least Common Multiple (LCM) of 8109 and 8124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8109 and 8124. First we will calculate the prime factors of 8109 and 8124.

Prime Factorization of 8109

Prime factors of 8109 are 3, 17, 53. Prime factorization of 8109 in exponential form is:

8109 = 32 × 171 × 531

Prime Factorization of 8124

Prime factors of 8124 are 2, 3, 677. Prime factorization of 8124 in exponential form is:

8124 = 22 × 31 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 8109 and 8124.

LCM(8109,8124) = 32 × 171 × 531 × 22 × 6771
LCM(8109,8124) = 21959172