0.006
82.8333
60 of them because 11*7 = 77 and 71*7 = 497
Using the tn formula, t1=56, the last number, tn=497, and d=7. Therefore, 497=56+(n-1)7. 448=7n, and n=64. So there are 64 numbers between 50 and 500 that are divisible by 7.
49 divided by 7 =7
0.006
0.0161
38.2308
0.0121
0.0744
497 ÷ 7 = 71
82.8333
497
No, it is not. If you divide by 7 you get 71, so 497 cannot be a prime number.
1, 7, 71, 497
The positive integer factors of 497 are: 1, 7, 71, 497
497 = 7 x 71