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What is the Least Common Multiple of 4274 and 4289?

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 4274 and 4289 is 18331186.

LCM(4274,4289) = 18331186

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Least Common Multiple of 4274 and 4289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4274 and 4289, than apply into the LCM equation.

GCF(4274,4289) = 1
LCM(4274,4289) = ( 4274 × 4289) / 1
LCM(4274,4289) = 18331186 / 1
LCM(4274,4289) = 18331186

Least Common Multiple (LCM) of 4274 and 4289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4274 and 4289. First we will calculate the prime factors of 4274 and 4289.

Prime Factorization of 4274

Prime factors of 4274 are 2, 2137. Prime factorization of 4274 in exponential form is:

4274 = 21 × 21371

Prime Factorization of 4289

Prime factors of 4289 are 4289. Prime factorization of 4289 in exponential form is:

4289 = 42891

Now multiplying the highest exponent prime factors to calculate the LCM of 4274 and 4289.

LCM(4274,4289) = 21 × 21371 × 42891
LCM(4274,4289) = 18331186