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What is the Least Common Multiple of 42961 and 42966?

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 42961 and 42966 is 1845862326.

LCM(42961,42966) = 1845862326

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Least Common Multiple of 42961 and 42966 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42961 and 42966, than apply into the LCM equation.

GCF(42961,42966) = 1
LCM(42961,42966) = ( 42961 × 42966) / 1
LCM(42961,42966) = 1845862326 / 1
LCM(42961,42966) = 1845862326

Least Common Multiple (LCM) of 42961 and 42966 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42961 and 42966. First we will calculate the prime factors of 42961 and 42966.

Prime Factorization of 42961

Prime factors of 42961 are 42961. Prime factorization of 42961 in exponential form is:

42961 = 429611

Prime Factorization of 42966

Prime factors of 42966 are 2, 3, 7, 11, 31. Prime factorization of 42966 in exponential form is:

42966 = 21 × 32 × 71 × 111 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 42961 and 42966.

LCM(42961,42966) = 429611 × 21 × 32 × 71 × 111 × 311
LCM(42961,42966) = 1845862326