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What is the Least Common Multiple of 40606 and 40621?

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 40606 and 40621 is 1649456326.

LCM(40606,40621) = 1649456326

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Least Common Multiple of 40606 and 40621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40606 and 40621, than apply into the LCM equation.

GCF(40606,40621) = 1
LCM(40606,40621) = ( 40606 × 40621) / 1
LCM(40606,40621) = 1649456326 / 1
LCM(40606,40621) = 1649456326

Least Common Multiple (LCM) of 40606 and 40621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40606 and 40621. First we will calculate the prime factors of 40606 and 40621.

Prime Factorization of 40606

Prime factors of 40606 are 2, 79, 257. Prime factorization of 40606 in exponential form is:

40606 = 21 × 791 × 2571

Prime Factorization of 40621

Prime factors of 40621 are 7, 829. Prime factorization of 40621 in exponential form is:

40621 = 72 × 8291

Now multiplying the highest exponent prime factors to calculate the LCM of 40606 and 40621.

LCM(40606,40621) = 21 × 791 × 2571 × 72 × 8291
LCM(40606,40621) = 1649456326