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What is the Least Common Multiple of 40421 and 40426?

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 40421 and 40426 is 1634059346.

LCM(40421,40426) = 1634059346

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Least Common Multiple of 40421 and 40426 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40421 and 40426, than apply into the LCM equation.

GCF(40421,40426) = 1
LCM(40421,40426) = ( 40421 × 40426) / 1
LCM(40421,40426) = 1634059346 / 1
LCM(40421,40426) = 1634059346

Least Common Multiple (LCM) of 40421 and 40426 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40421 and 40426. First we will calculate the prime factors of 40421 and 40426.

Prime Factorization of 40421

Prime factors of 40421 are 83, 487. Prime factorization of 40421 in exponential form is:

40421 = 831 × 4871

Prime Factorization of 40426

Prime factors of 40426 are 2, 17, 29, 41. Prime factorization of 40426 in exponential form is:

40426 = 21 × 171 × 291 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 40421 and 40426.

LCM(40421,40426) = 831 × 4871 × 21 × 171 × 291 × 411
LCM(40421,40426) = 1634059346