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What is the Least Common Multiple of 40222 and 40242?

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 40222 and 40242 is 809306862.

LCM(40222,40242) = 809306862

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Least Common Multiple of 40222 and 40242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40222 and 40242, than apply into the LCM equation.

GCF(40222,40242) = 2
LCM(40222,40242) = ( 40222 × 40242) / 2
LCM(40222,40242) = 1618613724 / 2
LCM(40222,40242) = 809306862

Least Common Multiple (LCM) of 40222 and 40242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40222 and 40242. First we will calculate the prime factors of 40222 and 40242.

Prime Factorization of 40222

Prime factors of 40222 are 2, 7, 13, 17. Prime factorization of 40222 in exponential form is:

40222 = 21 × 71 × 132 × 171

Prime Factorization of 40242

Prime factors of 40242 are 2, 3, 19, 353. Prime factorization of 40242 in exponential form is:

40242 = 21 × 31 × 191 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 40222 and 40242.

LCM(40222,40242) = 21 × 71 × 132 × 171 × 31 × 191 × 3531
LCM(40222,40242) = 809306862