20 and 30
All numbers have at least one common factor.
The number one has one factor. Prime numbers have two.
Both 10 and 20 are two-digit numbers that are factors of 20.
1 is the number less than fifty with the fewest number of factors. All other numbers have at least two factors (1, and the integer itself).
Four. They are 14, 21, 28, and 42.
All numbers that have exactly two factors are prime numbers whereas composite numbers have more than two factors.
25
The number one has one factor. Prime numbers have two.
It is 1 which has only one factor followd by any of the prime numbers which have only two factors
Both 10 and 20 are two-digit numbers that are factors of 20.
72 and 84 have loads of factors.
That would be 1. The only factor of 1 is 1. All other whole numbers have at least two factors. Prime numbers have exactly two factors, while composite numbers have more than two factors.
They are: 1 2 3 5 7 11 13 17 19 and 23 which are all prime numbers having only 2 factors except for 1 which has only one factor which is itself.
The greatest sum of two two-digit numbers occurs when you add the largest two-digit numbers together. The largest two-digit number is 99. Therefore, the greatest sum of two two-digit numbers is 99 + 99, which equals 198.
There are 21 two-digit prime numbers.
If you're asking about distinct prime factors, there are eight numbers tied with three of them. If not, 64 has six twos.
1 is the number less than fifty with the fewest number of factors. All other numbers have at least two factors (1, and the integer itself).
what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?