The two-digit factors of 100 and 1000 are all composite.
997
1024
There is no common prime factor for 133 and 1000 and so the only number that goes into both is 1.
3000. It contains non-repeating 3 as a factor.
2^3 * 5^3 = 1000
The 3-digit factors of 1000 are 100, 125, 200, 250, 400, 500, 625. All are multiples of 25. None are prime.
997
1024
1024
23 x 53 = 1000
1024
How about: 1024
There is no common prime factor for 133 and 1000 and so the only number that goes into both is 1.
3000. It contains non-repeating 3 as a factor.
2^3 * 5^3 = 1000
It is 50.
10