1 and 71.
The two whole numbers that go into 142 evenly are 1, 2, 71, and 142.
71
None, 71 is prime so the only numbers that go into 71 are 1 and itself
1, 71
1 x 71, 71 x 1
All these go into 284 evenly: 1, 2, 4, 71, 142, 284.
The sum of the two largest prime numbers less than 71 is 128.
They are: 1 times 71 = 71 which is also a prime number
1 x 71, 71 x 1
Two numbers you could multiply to get 213 are 71 and 3.
29.00001 is about 71% less than 100.
71 and 0.2