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What is the Least Common Multiple of 16974 and 16992?

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 16974 and 16992 is 16023456.

LCM(16974,16992) = 16023456

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Least Common Multiple of 16974 and 16992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16974 and 16992, than apply into the LCM equation.

GCF(16974,16992) = 18
LCM(16974,16992) = ( 16974 × 16992) / 18
LCM(16974,16992) = 288422208 / 18
LCM(16974,16992) = 16023456

Least Common Multiple (LCM) of 16974 and 16992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16974 and 16992. First we will calculate the prime factors of 16974 and 16992.

Prime Factorization of 16974

Prime factors of 16974 are 2, 3, 23, 41. Prime factorization of 16974 in exponential form is:

16974 = 21 × 32 × 231 × 411

Prime Factorization of 16992

Prime factors of 16992 are 2, 3, 59. Prime factorization of 16992 in exponential form is:

16992 = 25 × 32 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 16974 and 16992.

LCM(16974,16992) = 25 × 32 × 231 × 411 × 591
LCM(16974,16992) = 16023456