May 2021
Problem of the Month

Sequence Problem

Find three integers in an arithmetic sequence whose product is prime.

Solution to the Problem:

-3, -1, 1

The product (-3) (-1) (1) = 3, which is prime.

Veena Mg and Colin Bowey sent in two sequences which work: -3, -1, 1   but also 1, -1, -3.
The common differences are 2 and -2.

Correctly solved by:

1. Veena Mg **	Bangalore, Karnataka, India
2. Anna Jo Short	Mountain View High School, Mountain View, Wyoming
3. Colin (Yowie) Bowey **	Beechworth, Victoria, Australia
4. Tyler Mack	Redlands Middle School, Grand Junction, Colorado
5. Hudson Himes	Redlands Middle School, Grand Junction, Colorado
6. Sudhir Bavdekar	Mumbai, Maharashtra, India
7. Kendyl Hereford	Mountain View High School, Mountain View, Wyoming
8. Bryleigh Morrison	Mountain View High School, Mountain View, Wyoming
9. Karlee Lehning	Mountain View High School, Mountain View, Wyoming
10. Alli Rinker	Mountain View High School, Mountain View, Wyoming
11. Kamri Hutchings	Mountain View High School, Mountain View, Wyoming
12, Jayda Kenison	Mountain View High School, Mountain View, Wyoming
13. Teancum Piekkola	Mountain View High School, Mountain View, Wyoming
14. Tanner Collins	Mountain View High School, Mountain View, Wyoming
15. Connor Micheli	Mountain View High School, Mountain View, Wyoming
16. Cameron Walker	Mountain View High School, Mountain View, Wyoming
17. Marnie Martin	Mountain View High School, Mountain View, Wyoming
18. Katelynn Stuart	Mountain View High School, Mountain View, Wyoming
19. Shaelin Wiggill	Mountain View High School, Mountain View, Wyoming
20. Maddison Aimone	Mountain View High School, Mountain View, Wyoming
21. Rylee Antonino	Mountain View High School, Mountain View, Wyoming
22. Kassadee Lym	Mountain View High School, Mountain View, Wyoming
23. Brooke Bindl	Mountain View High School, Mountain View, Wyoming
24, Kate Walker	Mountain View High School, Mountain View, Wyoming
25. Kendall Patterson	Mountain View High School, Mountain View, Wyoming
26. Joshua Cushing	Mountain View High School, Mountain View, Wyoming
27. Aubrie Winkler	Mountain View High School, Mountain View, Wyoming
28. Eve Kerr	Mountain View High School, Mountain View, Wyoming
29. Aubrey Reger	Mountain View High School, Mountain View, Wyoming
30. Dane Catlin	Mountain View High School, Mountain View, Wyoming
31. K. M. Thomas	Mumbai, Maharashtra, India
32. Kelly Stubblefield	Mobile, Alabama
33. Jaxon Antonino	Mountain View High School, Mountain View, Wyoming
34. Holly Hamblin	Mountain View High School, Mountain View, Wyoming
35. Hari Kishan	Meerut, Uttar Pradesh, India

** Extra credit for thinking of two sequences

Send any comments or questions to: David Pleacher