There is no "best" estimate other than the exact answer since any other estimate can be improved with some effort.
3.2*5 = 16
3.5*4 = 14 so I would go for 15.
3 + 5 = 8
658 + 469 - 264 = 883
The divisors of 469 are its factors. The factors of 469 are 7 and 67 (together with 469 and 1).
469 is evenly divisible by: 1, 7, 67, 469.
469
1 x 469 and 7 x 67 = 469
yes the number 469 is a prime number.
Best advice is to ask a gunsmith.
469 - 87 = 382
469, 938, 1407, 1876 . . .
709 * 469 = 332,521
21.65640 x 21.65640
469