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What is the Least Common Multiple of 7178 and 7184?

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 7178 and 7184 is 25783376.

LCM(7178,7184) = 25783376

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Least Common Multiple of 7178 and 7184 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7178 and 7184, than apply into the LCM equation.

GCF(7178,7184) = 2
LCM(7178,7184) = ( 7178 × 7184) / 2
LCM(7178,7184) = 51566752 / 2
LCM(7178,7184) = 25783376

Least Common Multiple (LCM) of 7178 and 7184 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7178 and 7184. First we will calculate the prime factors of 7178 and 7184.

Prime Factorization of 7178

Prime factors of 7178 are 2, 37, 97. Prime factorization of 7178 in exponential form is:

7178 = 21 × 371 × 971

Prime Factorization of 7184

Prime factors of 7184 are 2, 449. Prime factorization of 7184 in exponential form is:

7184 = 24 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 7178 and 7184.

LCM(7178,7184) = 24 × 371 × 971 × 4491
LCM(7178,7184) = 25783376