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What is the Least Common Multiple of 434 and 442?

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 434 and 442 is 95914.

LCM(434,442) = 95914

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Least Common Multiple of 434 and 442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 434 and 442, than apply into the LCM equation.

GCF(434,442) = 2
LCM(434,442) = ( 434 × 442) / 2
LCM(434,442) = 191828 / 2
LCM(434,442) = 95914

Least Common Multiple (LCM) of 434 and 442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 434 and 442. First we will calculate the prime factors of 434 and 442.

Prime Factorization of 434

Prime factors of 434 are 2, 7, 31. Prime factorization of 434 in exponential form is:

434 = 21 × 71 × 311

Prime Factorization of 442

Prime factors of 442 are 2, 13, 17. Prime factorization of 442 in exponential form is:

442 = 21 × 131 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 434 and 442.

LCM(434,442) = 21 × 71 × 311 × 131 × 171
LCM(434,442) = 95914