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What is the Least Common Multiple of 7320 and 7335?

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 7320 and 7335 is 3579480.

LCM(7320,7335) = 3579480

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Least Common Multiple of 7320 and 7335 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7320 and 7335, than apply into the LCM equation.

GCF(7320,7335) = 15
LCM(7320,7335) = ( 7320 × 7335) / 15
LCM(7320,7335) = 53692200 / 15
LCM(7320,7335) = 3579480

Least Common Multiple (LCM) of 7320 and 7335 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7320 and 7335. First we will calculate the prime factors of 7320 and 7335.

Prime Factorization of 7320

Prime factors of 7320 are 2, 3, 5, 61. Prime factorization of 7320 in exponential form is:

7320 = 23 × 31 × 51 × 611

Prime Factorization of 7335

Prime factors of 7335 are 3, 5, 163. Prime factorization of 7335 in exponential form is:

7335 = 32 × 51 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 7320 and 7335.

LCM(7320,7335) = 23 × 32 × 51 × 611 × 1631
LCM(7320,7335) = 3579480