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Here are some ways to make 542 by adding together exactly three square numbers.
- 542 = (21^2) + (10^2) + (1^2)
- 542 = (19^2) + (10^2) + (9^2)
- 542 = (18^2) + (13^2) + (7^2)
- 542 = (15^2) + (14^2) + (11^2)
Print the puzzles or type the solution on this excel file: 12 Factors 2015-06-29
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- 542 is a composite number.
- Prime factorization: 542 = 2 x 271
- The exponents in the prime factorization are 1 and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1) = 2 x 2 = 4. Therefore 542 has exactly 4 factors.
- Factors of 542: 1, 2, 271, 542
- Factor pairs: 542 = 1 x 542 or 2 x 271
- 542 has no square factors that allow its square root to be simplified. √542 ≈ 23.280893
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