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What is the Least Common Multiple of 27398 and 27417?

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 27398 and 27417 is 39535314.

LCM(27398,27417) = 39535314

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Least Common Multiple of 27398 and 27417 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27398 and 27417, than apply into the LCM equation.

GCF(27398,27417) = 19
LCM(27398,27417) = ( 27398 × 27417) / 19
LCM(27398,27417) = 751170966 / 19
LCM(27398,27417) = 39535314

Least Common Multiple (LCM) of 27398 and 27417 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27398 and 27417. First we will calculate the prime factors of 27398 and 27417.

Prime Factorization of 27398

Prime factors of 27398 are 2, 7, 19, 103. Prime factorization of 27398 in exponential form is:

27398 = 21 × 71 × 191 × 1031

Prime Factorization of 27417

Prime factors of 27417 are 3, 13, 19, 37. Prime factorization of 27417 in exponential form is:

27417 = 31 × 131 × 191 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 27398 and 27417.

LCM(27398,27417) = 21 × 71 × 191 × 1031 × 31 × 131 × 371
LCM(27398,27417) = 39535314