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What is the Least Common Multiple of 7290 and 7306?

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 7290 and 7306 is 26630370.

LCM(7290,7306) = 26630370

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Least Common Multiple of 7290 and 7306 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7290 and 7306, than apply into the LCM equation.

GCF(7290,7306) = 2
LCM(7290,7306) = ( 7290 × 7306) / 2
LCM(7290,7306) = 53260740 / 2
LCM(7290,7306) = 26630370

Least Common Multiple (LCM) of 7290 and 7306 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7290 and 7306. First we will calculate the prime factors of 7290 and 7306.

Prime Factorization of 7290

Prime factors of 7290 are 2, 3, 5. Prime factorization of 7290 in exponential form is:

7290 = 21 × 36 × 51

Prime Factorization of 7306

Prime factors of 7306 are 2, 13, 281. Prime factorization of 7306 in exponential form is:

7306 = 21 × 131 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 7290 and 7306.

LCM(7290,7306) = 21 × 36 × 51 × 131 × 2811
LCM(7290,7306) = 26630370