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What is the Least Common Multiple of 417 and 426?

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 417 and 426 is 59214.

LCM(417,426) = 59214

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Least Common Multiple of 417 and 426 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 417 and 426, than apply into the LCM equation.

GCF(417,426) = 3
LCM(417,426) = ( 417 × 426) / 3
LCM(417,426) = 177642 / 3
LCM(417,426) = 59214

Least Common Multiple (LCM) of 417 and 426 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 417 and 426. First we will calculate the prime factors of 417 and 426.

Prime Factorization of 417

Prime factors of 417 are 3, 139. Prime factorization of 417 in exponential form is:

417 = 31 × 1391

Prime Factorization of 426

Prime factors of 426 are 2, 3, 71. Prime factorization of 426 in exponential form is:

426 = 21 × 31 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 417 and 426.

LCM(417,426) = 31 × 1391 × 21 × 711
LCM(417,426) = 59214