47, 53, 59, 61
47, 53, 59, 61
224
220 = 2 × 2 × 5 × 11
No, they are not relatively prime.
47, 53, 59, 61
47, 53, 59, 61
224
Yes; they are 51, 53, 57, 59.
There are 48 prime numbers less than 220.
52+54+56+58 = 220
No.
The numbers are 216, 217, 218, 219 and 220.
220 = 2 × 2 × 5 × 11
No, they are not relatively prime.
211 is the only prime number between 200 and 220
220 is a composite number, as are all whole numbers ending in zero.