Lets see if 217 is a prime or composite number. 15 times 15 is 225, so we will try the first prime numbers up to 15. They are 2, 3, 5, 7, 11, and 13. Will 2 go into 217? No 7 is odd. Will 3 go into 217. If we add the integers, they add up to 10. 3 does not go into 10. Will 5 go into 217. No. It does not end in a 0 or a 5. Will 7 go into 217. Lets see. Will 7 go into 21? Yes it goes in an even number of times. How about that. Will seven go into 7. Yes it goes in an even number of times. You can show the math.
31 x 7 = 217
217
31 x 7 = 217
7 and 31 go into 217 evenly.
7 and 31
1, 7, 31, 217
217/7 = 31 The quotient of 217 divided by 7 is 31.
Multiply 310 by .70. Answer is 217. Alternately, you can also take 10% of 310 (31) 7 times (31 X 7 = 217)
The factors of 217 are: 1 7 31 217
The factors of 217 are: 1, 7, 31, and 217.The prime factors of 217 are: 7 and 31.
About 7.39 times, or 7 times with a remainder of 14.