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What is the Least Common Multiple of 17656 and 17662?

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 17656 and 17662 is 155920136.

LCM(17656,17662) = 155920136

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Least Common Multiple of 17656 and 17662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17656 and 17662, than apply into the LCM equation.

GCF(17656,17662) = 2
LCM(17656,17662) = ( 17656 × 17662) / 2
LCM(17656,17662) = 311840272 / 2
LCM(17656,17662) = 155920136

Least Common Multiple (LCM) of 17656 and 17662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17656 and 17662. First we will calculate the prime factors of 17656 and 17662.

Prime Factorization of 17656

Prime factors of 17656 are 2, 2207. Prime factorization of 17656 in exponential form is:

17656 = 23 × 22071

Prime Factorization of 17662

Prime factors of 17662 are 2, 8831. Prime factorization of 17662 in exponential form is:

17662 = 21 × 88311

Now multiplying the highest exponent prime factors to calculate the LCM of 17656 and 17662.

LCM(17656,17662) = 23 × 22071 × 88311
LCM(17656,17662) = 155920136