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What is the Least Common Multiple of 75417 and 75421?

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 75417 and 75421 is 5688025557.

LCM(75417,75421) = 5688025557

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Least Common Multiple of 75417 and 75421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75417 and 75421, than apply into the LCM equation.

GCF(75417,75421) = 1
LCM(75417,75421) = ( 75417 × 75421) / 1
LCM(75417,75421) = 5688025557 / 1
LCM(75417,75421) = 5688025557

Least Common Multiple (LCM) of 75417 and 75421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75417 and 75421. First we will calculate the prime factors of 75417 and 75421.

Prime Factorization of 75417

Prime factors of 75417 are 3, 23, 1093. Prime factorization of 75417 in exponential form is:

75417 = 31 × 231 × 10931

Prime Factorization of 75421

Prime factors of 75421 are 199, 379. Prime factorization of 75421 in exponential form is:

75421 = 1991 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 75417 and 75421.

LCM(75417,75421) = 31 × 231 × 10931 × 1991 × 3791
LCM(75417,75421) = 5688025557