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What is the Least Common Multiple of 10403 and 10413?

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 10403 and 10413 is 108326439.

LCM(10403,10413) = 108326439

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Least Common Multiple of 10403 and 10413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10403 and 10413, than apply into the LCM equation.

GCF(10403,10413) = 1
LCM(10403,10413) = ( 10403 × 10413) / 1
LCM(10403,10413) = 108326439 / 1
LCM(10403,10413) = 108326439

Least Common Multiple (LCM) of 10403 and 10413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10403 and 10413. First we will calculate the prime factors of 10403 and 10413.

Prime Factorization of 10403

Prime factors of 10403 are 101, 103. Prime factorization of 10403 in exponential form is:

10403 = 1011 × 1031

Prime Factorization of 10413

Prime factors of 10413 are 3, 13, 89. Prime factorization of 10413 in exponential form is:

10413 = 32 × 131 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 10403 and 10413.

LCM(10403,10413) = 1011 × 1031 × 32 × 131 × 891
LCM(10403,10413) = 108326439