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What is the Least Common Multiple of 7404 and 7419?

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 7404 and 7419 is 18310092.

LCM(7404,7419) = 18310092

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Least Common Multiple of 7404 and 7419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7404 and 7419, than apply into the LCM equation.

GCF(7404,7419) = 3
LCM(7404,7419) = ( 7404 × 7419) / 3
LCM(7404,7419) = 54930276 / 3
LCM(7404,7419) = 18310092

Least Common Multiple (LCM) of 7404 and 7419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7404 and 7419. First we will calculate the prime factors of 7404 and 7419.

Prime Factorization of 7404

Prime factors of 7404 are 2, 3, 617. Prime factorization of 7404 in exponential form is:

7404 = 22 × 31 × 6171

Prime Factorization of 7419

Prime factors of 7419 are 3, 2473. Prime factorization of 7419 in exponential form is:

7419 = 31 × 24731

Now multiplying the highest exponent prime factors to calculate the LCM of 7404 and 7419.

LCM(7404,7419) = 22 × 31 × 6171 × 24731
LCM(7404,7419) = 18310092