Just 1.
1, 13, 17 and 221.
1, 13, 17, 221
No, 3 does not go into 221 evenly. 221 divided by 3 is 73.6 repeating.
Only the number 1.
221
Factors go into the number evenly, the number goes into multiples evenly.
The number that both 7 and 8 can go into evenly is 56.
Both 5 and 7 are prime numbers, so the only number that could go into both evenly would be 1.
2 can go into 38 and 100 evenly.
It is a prime number and therefore no number but 1 and 41 can go into it evenly.
26,875 can be evenly divided by 5.
7 and 31 go into 217 evenly.