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Least Common Multiple of 28 and 41

Least common multiple (LCM) of 28 and 41 is 1148.

LCM(28,41) = 1148

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.

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Least Common Multiple of 28 and 41 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28 and 41, than apply into the LCM equation.

GCF(28,41) = 1
LCM(28,41) = ( 28 × 41) / 1
LCM(28,41) = 1148 / 1
LCM(28,41) = 1148

Least Common Multiple (LCM) of 28 and 41 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28 and 41. First we will calculate the prime factors of 28 and 41.

Prime Factorization of 28

Prime factors of 28 are 2, 7. Prime factorization of 28 in exponential form is:

28 = 22 × 71

Prime Factorization of 41

Prime factors of 41 are 41. Prime factorization of 41 in exponential form is:

41 = 411

Now multiplying the highest exponent prime factors to calculate the LCM of 28 and 41.

LCM(28,41) = 22 × 71 × 411
LCM(28,41) = 1148

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