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What is the Least Common Multiple of 7430 and 7445?

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 7430 and 7445 is 11063270.

LCM(7430,7445) = 11063270

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Least Common Multiple of 7430 and 7445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7430 and 7445, than apply into the LCM equation.

GCF(7430,7445) = 5
LCM(7430,7445) = ( 7430 × 7445) / 5
LCM(7430,7445) = 55316350 / 5
LCM(7430,7445) = 11063270

Least Common Multiple (LCM) of 7430 and 7445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7430 and 7445. First we will calculate the prime factors of 7430 and 7445.

Prime Factorization of 7430

Prime factors of 7430 are 2, 5, 743. Prime factorization of 7430 in exponential form is:

7430 = 21 × 51 × 7431

Prime Factorization of 7445

Prime factors of 7445 are 5, 1489. Prime factorization of 7445 in exponential form is:

7445 = 51 × 14891

Now multiplying the highest exponent prime factors to calculate the LCM of 7430 and 7445.

LCM(7430,7445) = 21 × 51 × 7431 × 14891
LCM(7430,7445) = 11063270