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What is the Least Common Multiple of 4278 and 4298?

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 4278 and 4298 is 9193422.

LCM(4278,4298) = 9193422

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Least Common Multiple of 4278 and 4298 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4278 and 4298, than apply into the LCM equation.

GCF(4278,4298) = 2
LCM(4278,4298) = ( 4278 × 4298) / 2
LCM(4278,4298) = 18386844 / 2
LCM(4278,4298) = 9193422

Least Common Multiple (LCM) of 4278 and 4298 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4278 and 4298. First we will calculate the prime factors of 4278 and 4298.

Prime Factorization of 4278

Prime factors of 4278 are 2, 3, 23, 31. Prime factorization of 4278 in exponential form is:

4278 = 21 × 31 × 231 × 311

Prime Factorization of 4298

Prime factors of 4298 are 2, 7, 307. Prime factorization of 4298 in exponential form is:

4298 = 21 × 71 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 4278 and 4298.

LCM(4278,4298) = 21 × 31 × 231 × 311 × 71 × 3071
LCM(4278,4298) = 9193422