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What is the Least Common Multiple of 946 and 958?

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 946 and 958 is 453134.

LCM(946,958) = 453134

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Least Common Multiple of 946 and 958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 946 and 958, than apply into the LCM equation.

GCF(946,958) = 2
LCM(946,958) = ( 946 × 958) / 2
LCM(946,958) = 906268 / 2
LCM(946,958) = 453134

Least Common Multiple (LCM) of 946 and 958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 946 and 958. First we will calculate the prime factors of 946 and 958.

Prime Factorization of 946

Prime factors of 946 are 2, 11, 43. Prime factorization of 946 in exponential form is:

946 = 21 × 111 × 431

Prime Factorization of 958

Prime factors of 958 are 2, 479. Prime factorization of 958 in exponential form is:

958 = 21 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 946 and 958.

LCM(946,958) = 21 × 111 × 431 × 4791
LCM(946,958) = 453134