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What is the Least Common Multiple of 426 and 441?

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 426 and 441 is 62622.

LCM(426,441) = 62622

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Least Common Multiple of 426 and 441 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 426 and 441, than apply into the LCM equation.

GCF(426,441) = 3
LCM(426,441) = ( 426 × 441) / 3
LCM(426,441) = 187866 / 3
LCM(426,441) = 62622

Least Common Multiple (LCM) of 426 and 441 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 426 and 441. First we will calculate the prime factors of 426 and 441.

Prime Factorization of 426

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

426 = 21 × 31 × 711

Prime Factorization of 441

Prime factors of 441 are 3, 7. Prime factorization of 441 in exponential form is:

441 = 32 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 426 and 441.

LCM(426,441) = 21 × 32 × 711 × 72
LCM(426,441) = 62622