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What is the Least Common Multiple of 80388 and 80408?

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 80388 and 80408 is 1615959576.

LCM(80388,80408) = 1615959576

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Least Common Multiple of 80388 and 80408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80388 and 80408, than apply into the LCM equation.

GCF(80388,80408) = 4
LCM(80388,80408) = ( 80388 × 80408) / 4
LCM(80388,80408) = 6463838304 / 4
LCM(80388,80408) = 1615959576

Least Common Multiple (LCM) of 80388 and 80408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80388 and 80408. First we will calculate the prime factors of 80388 and 80408.

Prime Factorization of 80388

Prime factors of 80388 are 2, 3, 7, 11, 29. Prime factorization of 80388 in exponential form is:

80388 = 22 × 32 × 71 × 111 × 291

Prime Factorization of 80408

Prime factors of 80408 are 2, 19, 23. Prime factorization of 80408 in exponential form is:

80408 = 23 × 191 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 80388 and 80408.

LCM(80388,80408) = 23 × 32 × 71 × 111 × 291 × 191 × 232
LCM(80388,80408) = 1615959576