# 453 Happy Golden Anniversary to Alan and Jill

Today Alan and Jill Parr celebrate 50 years of marriage. I wanted to make a puzzle for their anniversary so I asked Alan for their favorite colors. He replied, “Colours? Nothing in particular, but I suppose I’d go for orange, and Jill would opt for something delicate and tasteful.”

Orange is much bolder than it is delicate so I went with his suggestion of “nothing in particular”: It’s their golden anniversary. Gold and blue go well together.

Since most people don’t want to solve puzzles on their anniversaries, I will include these puzzles in an excel file next week and wait until April 17th to update this post with the solutions.

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• 453 is a composite number.
• Prime factorization: 453 = 3 x 151
• 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 453 has exactly 4 factors.
• Factors of 453: 1, 3, 151, 453
• Factor pairs: 453 = 1 x 453 or 3 x 151
• 453 has no square factors that allow its square root to be simplified. √453 ≈ 21.2838

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## 2 thoughts on “453 Happy Golden Anniversary to Alan and Jill”

1. What a delightful present! Thank you so much from us both!

• You are very welcome, and it was my pleasure!

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