91 does not end in 0 or 5, so it is not divisible by 5.
Related Articles
- To find the smallest prime factor of 91, test divisibility by the smallest prime numbers.
- 91 is odd, so it is not divisible by 2.
- Sum of digits of 91 is \(9 + 1 = 10\), which is not divisible by 3, so 91 is not divisible by 3.
- Check divisibility by 7:
- \[ 91 \div 7 = 13 \]
- Since 13 is a whole number, 91 is divisible by 7. Therefore, the smallest prime factor of 91 is \(\boxed{7}\).Question: If $ a + b = 7 $ and $ a^2 + b^2 = 25 $, find the value of $ ab $.
Trending Articles
Is The Alemany Law Firm The Hidden Legal Weapon You Need?
Sanford Rubenstein Lawyer Secrets: The Untold Manhattan Story
Top 3 Probate Court Mistakes in Florence SC (And How to Avoid Them)
Can a Seat Belt Ticket Raise My Insurance Rates?
Need a Florence SC Probate Lawyer? Here's What Clients Don't Ask About
Top 5 Mistakes to Avoid When Choosing a DUI Attorney in Everett
What to Do After a Boulder Motorcycle Crash (Don’t Let the Adjuster Win)
Your Rights at Work: Can Collectors Really Call Your Office? The Lawyer Explodes the Myth
Denver Product Liability Lawyers: Who’s Winning Billions for Injury Victims?
Top 3 Tricks Indian River County Family Lawyers Use to Win Cases