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Today’s Puzzle:
It’s a mystery if this puzzle is easy, difficult, or half easy and half difficult. The only way for you to know is to use logic to try solving it yourself!
Factors of 1646:
- 1646 is a composite number.
- Prime factorization: 1646 = 2 × 823.
- 1646 has no exponents greater than 1 in its prime factorization, so √1646 cannot be simplified.
- The exponents in the prime factorization are 1 and 1. Adding one to each exponent and multiplying we get (1 + 1)(1 + 1) = 2 × 2 = 4. Therefore 1646 has exactly 4 factors.
- The factors of 1646 are outlined with their factor pair partners in the graphic below.
More About the Number 1646:
823 is part of the prime decade: 821, 823, 827, 829.
You can be sure that each of those primes doubled: 1642, 1646, 1654, and 1658 will have exactly four factors.
1646 is in only one Pythagorean triple:
1646-677328-677330, calculated from 2(823)(1), 823² – 1², 823² + 1².