For eight, 2
For ten, 2 and 5
No. 810 is even, and thus divisible by 2. That makes it non-prime, or composite. It also has other factors, such as 3 and 5, still making it non-prime.
1, 10; 2,5
The Prime Factors of 88 are 2, 11
The first ten prime numbers are 2,3,5,7,11,13,17,19,23 and 29.
8 is the cube of 2
There are only three factors of 49, which are 1, 7, and 49. There are only two prime factors of 49, which are 7 and 7. There is only one distinct prime factor of 49, which is 7. There are not ten factors of 49.
eight and one hundred and seven
because it has more than two factors
The numbers below 500 having the most prime factors are 256 and 384 with eight prime factors each. Prime factorization is 256=2x2x2x2x2x2x2x2 and 84=2x2x2x2x2x2x2x3.
The prime factorization of 42 is 2x3x7. The prime factors are 2, 3, and 7. There are eight total factors of 42: 1, 2, 3, 6, 7, 14, 21, and 42.
5 and 13 have no factors because they're prime.
17 is a prime number and only has two factors, one and itself.