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What is the Least Common Multiple of 40208 and 40223?

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 40208 and 40223 is 1617286384.

LCM(40208,40223) = 1617286384

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Least Common Multiple of 40208 and 40223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40208 and 40223, than apply into the LCM equation.

GCF(40208,40223) = 1
LCM(40208,40223) = ( 40208 × 40223) / 1
LCM(40208,40223) = 1617286384 / 1
LCM(40208,40223) = 1617286384

Least Common Multiple (LCM) of 40208 and 40223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40208 and 40223. First we will calculate the prime factors of 40208 and 40223.

Prime Factorization of 40208

Prime factors of 40208 are 2, 7, 359. Prime factorization of 40208 in exponential form is:

40208 = 24 × 71 × 3591

Prime Factorization of 40223

Prime factors of 40223 are 19, 29, 73. Prime factorization of 40223 in exponential form is:

40223 = 191 × 291 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 40208 and 40223.

LCM(40208,40223) = 24 × 71 × 3591 × 191 × 291 × 731
LCM(40208,40223) = 1617286384