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What is the Least Common Multiple of 1148 and 1154?

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 1148 and 1154 is 662396.

LCM(1148,1154) = 662396

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Least Common Multiple of 1148 and 1154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1148 and 1154, than apply into the LCM equation.

GCF(1148,1154) = 2
LCM(1148,1154) = ( 1148 × 1154) / 2
LCM(1148,1154) = 1324792 / 2
LCM(1148,1154) = 662396

Least Common Multiple (LCM) of 1148 and 1154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1148 and 1154. First we will calculate the prime factors of 1148 and 1154.

Prime Factorization of 1148

Prime factors of 1148 are 2, 7, 41. Prime factorization of 1148 in exponential form is:

1148 = 22 × 71 × 411

Prime Factorization of 1154

Prime factors of 1154 are 2, 577. Prime factorization of 1154 in exponential form is:

1154 = 21 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 1148 and 1154.

LCM(1148,1154) = 22 × 71 × 411 × 5771
LCM(1148,1154) = 662396