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What is the Least Common Multiple of 7734 and 7745?

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 7734 and 7745 is 59899830.

LCM(7734,7745) = 59899830

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Least Common Multiple of 7734 and 7745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7734 and 7745, than apply into the LCM equation.

GCF(7734,7745) = 1
LCM(7734,7745) = ( 7734 × 7745) / 1
LCM(7734,7745) = 59899830 / 1
LCM(7734,7745) = 59899830

Least Common Multiple (LCM) of 7734 and 7745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7734 and 7745. First we will calculate the prime factors of 7734 and 7745.

Prime Factorization of 7734

Prime factors of 7734 are 2, 3, 1289. Prime factorization of 7734 in exponential form is:

7734 = 21 × 31 × 12891

Prime Factorization of 7745

Prime factors of 7745 are 5, 1549. Prime factorization of 7745 in exponential form is:

7745 = 51 × 15491

Now multiplying the highest exponent prime factors to calculate the LCM of 7734 and 7745.

LCM(7734,7745) = 21 × 31 × 12891 × 51 × 15491
LCM(7734,7745) = 59899830