- 73 is a prime number.
- Prime factorization: 73 is prime.
- The exponent of prime number 73 is 1. Adding 1 to that exponent we get (1 + 1) = 2. Therefore 73 has exactly 2 factors.
- Factors of 73: 1, 73
- Factor pairs: 73 = 1 x 73
- 73 has no square factors that allow its square root to be simplified. √73 ≈ 8.5440037
How do we know that 73 is a prime number? If 73 were not a prime number, then it would be divisible by at least one prime number less than or equal to √73 ≈ 8.5. Since 73 cannot be divided evenly by 2, 3, 5, or 7, we know that 73 is a prime number.
73 is never a clue in the FIND THE FACTORS puzzles.
I very much enjoyed going to the school of fairies today where even butterflies can learn to multiply. The author translates a sweet poem from Hungarian into English. I hope you will remember the poem’s encouraging words whenever you try to solve one of my multiplication table puzzles or any other task that challenges you in life.
This was one of the most difficult songs to translate so far, because the original Hungarian poem plays with ‘Egyszeregy’ which means 1*1 and is the common name for the multiplication table, is used to express what ‘easy as ABC’ is in English, and means ‘Once upon’ at the same time. I could have used ‘one time’ in English as well but it doesn’t invoke multiplying that strongly, plus it’s rhytmically off. I could have used the ABC and go for literacy instead of math, but the rhytm isn’t good either. Plus in Hungarian this little story is about the fairies who go over the ‘Glass mountain’ which is the mythical location of fairy tales in Hungarian but doesn’t exist in English and the best substitute that came to my mind was ‘oves the rainbow’. But as you may guess, that doesn’t fit rhytmically either (plus there aren’t any proper…
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