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What is the Least Common Multiple of 7805 and 7824?

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 7805 and 7824 is 61066320.

LCM(7805,7824) = 61066320

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Least Common Multiple of 7805 and 7824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7805 and 7824, than apply into the LCM equation.

GCF(7805,7824) = 1
LCM(7805,7824) = ( 7805 × 7824) / 1
LCM(7805,7824) = 61066320 / 1
LCM(7805,7824) = 61066320

Least Common Multiple (LCM) of 7805 and 7824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7805 and 7824. First we will calculate the prime factors of 7805 and 7824.

Prime Factorization of 7805

Prime factors of 7805 are 5, 7, 223. Prime factorization of 7805 in exponential form is:

7805 = 51 × 71 × 2231

Prime Factorization of 7824

Prime factors of 7824 are 2, 3, 163. Prime factorization of 7824 in exponential form is:

7824 = 24 × 31 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 7805 and 7824.

LCM(7805,7824) = 51 × 71 × 2231 × 24 × 31 × 1631
LCM(7805,7824) = 61066320