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What is the Least Common Multiple of 17945 and 17962?

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 17945 and 17962 is 322328090.

LCM(17945,17962) = 322328090

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Least Common Multiple of 17945 and 17962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17945 and 17962, than apply into the LCM equation.

GCF(17945,17962) = 1
LCM(17945,17962) = ( 17945 × 17962) / 1
LCM(17945,17962) = 322328090 / 1
LCM(17945,17962) = 322328090

Least Common Multiple (LCM) of 17945 and 17962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17945 and 17962. First we will calculate the prime factors of 17945 and 17962.

Prime Factorization of 17945

Prime factors of 17945 are 5, 37, 97. Prime factorization of 17945 in exponential form is:

17945 = 51 × 371 × 971

Prime Factorization of 17962

Prime factors of 17962 are 2, 7, 1283. Prime factorization of 17962 in exponential form is:

17962 = 21 × 71 × 12831

Now multiplying the highest exponent prime factors to calculate the LCM of 17945 and 17962.

LCM(17945,17962) = 51 × 371 × 971 × 21 × 71 × 12831
LCM(17945,17962) = 322328090