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What is the Least Common Multiple of 943 and 961?

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 943 and 961 is 906223.

LCM(943,961) = 906223

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Least Common Multiple of 943 and 961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 943 and 961, than apply into the LCM equation.

GCF(943,961) = 1
LCM(943,961) = ( 943 × 961) / 1
LCM(943,961) = 906223 / 1
LCM(943,961) = 906223

Least Common Multiple (LCM) of 943 and 961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 943 and 961. First we will calculate the prime factors of 943 and 961.

Prime Factorization of 943

Prime factors of 943 are 23, 41. Prime factorization of 943 in exponential form is:

943 = 231 × 411

Prime Factorization of 961

Prime factors of 961 are 31. Prime factorization of 961 in exponential form is:

961 = 312

Now multiplying the highest exponent prime factors to calculate the LCM of 943 and 961.

LCM(943,961) = 231 × 411 × 312
LCM(943,961) = 906223