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What is the Least Common Multiple of 10426 and 10440?

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 10426 and 10440 is 54423720.

LCM(10426,10440) = 54423720

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Least Common Multiple of 10426 and 10440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10426 and 10440, than apply into the LCM equation.

GCF(10426,10440) = 2
LCM(10426,10440) = ( 10426 × 10440) / 2
LCM(10426,10440) = 108847440 / 2
LCM(10426,10440) = 54423720

Least Common Multiple (LCM) of 10426 and 10440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10426 and 10440. First we will calculate the prime factors of 10426 and 10440.

Prime Factorization of 10426

Prime factors of 10426 are 2, 13, 401. Prime factorization of 10426 in exponential form is:

10426 = 21 × 131 × 4011

Prime Factorization of 10440

Prime factors of 10440 are 2, 3, 5, 29. Prime factorization of 10440 in exponential form is:

10440 = 23 × 32 × 51 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 10426 and 10440.

LCM(10426,10440) = 23 × 131 × 4011 × 32 × 51 × 291
LCM(10426,10440) = 54423720