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What is the Least Common Multiple of 7238 and 7256?

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 7238 and 7256 is 26259464.

LCM(7238,7256) = 26259464

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Least Common Multiple of 7238 and 7256 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7238 and 7256, than apply into the LCM equation.

GCF(7238,7256) = 2
LCM(7238,7256) = ( 7238 × 7256) / 2
LCM(7238,7256) = 52518928 / 2
LCM(7238,7256) = 26259464

Least Common Multiple (LCM) of 7238 and 7256 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7238 and 7256. First we will calculate the prime factors of 7238 and 7256.

Prime Factorization of 7238

Prime factors of 7238 are 2, 7, 11, 47. Prime factorization of 7238 in exponential form is:

7238 = 21 × 71 × 111 × 471

Prime Factorization of 7256

Prime factors of 7256 are 2, 907. Prime factorization of 7256 in exponential form is:

7256 = 23 × 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 7238 and 7256.

LCM(7238,7256) = 23 × 71 × 111 × 471 × 9071
LCM(7238,7256) = 26259464