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What is the Least Common Multiple of 7397 and 7405?

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 7397 and 7405 is 54774785.

LCM(7397,7405) = 54774785

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Least Common Multiple of 7397 and 7405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7397 and 7405, than apply into the LCM equation.

GCF(7397,7405) = 1
LCM(7397,7405) = ( 7397 × 7405) / 1
LCM(7397,7405) = 54774785 / 1
LCM(7397,7405) = 54774785

Least Common Multiple (LCM) of 7397 and 7405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7397 and 7405. First we will calculate the prime factors of 7397 and 7405.

Prime Factorization of 7397

Prime factors of 7397 are 13, 569. Prime factorization of 7397 in exponential form is:

7397 = 131 × 5691

Prime Factorization of 7405

Prime factors of 7405 are 5, 1481. Prime factorization of 7405 in exponential form is:

7405 = 51 × 14811

Now multiplying the highest exponent prime factors to calculate the LCM of 7397 and 7405.

LCM(7397,7405) = 131 × 5691 × 51 × 14811
LCM(7397,7405) = 54774785