Table of Contents

## What are the factors of 209?

The factors of 209 are 1, 11, 19, 209 and its negative factors are -1, -11, -19, -209.

**Why is 209 not a prime number?**

The number 209 is divisible by 1, 11, 19, 209. For a number to be classified as a prime number, it should have exactly two factors. Since 209 has more than two factors, i.e. 1, 11, 19, 209, it is not a prime number.

**What table does 209 come in?**

Multiplication Table of 19

19 | x | 19 |
---|---|---|

19 | x | 171 |

19 | x | 190 |

19 | x | 209 |

19 | x | 228 |

### Is 213 a prime number?

No, 213 is not a prime number. The number 213 is divisible by 1, 3, 71, 213. Since 213 has more than two factors, i.e. 1, 3, 71, 213, it is not a prime number.

**Is 29 prime or not?**

Yes, 29 is a prime number. The number 29 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 29 has exactly two factors, i.e. 1 and 29, it is a prime number.

**Is 19 a prime number Yes or no?**

The first 25 prime numbers (all the prime numbers less than 100) are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 (sequence A000040 in the OEIS). Therefore, every prime number other than 2 is an odd number, and is called an odd prime.

## What numbers can 247 be divided by?

We found 4 numbers that go into 247. The list of whole numbers that go into 247 is displayed below. All of these numbers go into 247 because the quotient you get when you divide 247 by any of these numbers will equal a whole number. 1, 13, 19, and 247.

**What are all the prime numbers?**

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.

**What are 19 factors?**

19 is a prime number. The number 19 has only two factors, the number itself and 1. Hence, the factors of 19 are 1 and 19.

### Is the number 369 divisible by?

When we list them out like this it’s easy to see that the numbers which 369 is divisible by are 1, 3, 9, 41, 123, and 369.

**Is 53 divisible by 3 yes or no?**

Since the division does not result in a whole number, this shows us that 53 is not divisible by 3.

**Is 51 a composite?**

Yes, since 51 has more than two factors i.e. 1, 3, 17, 51. In other words, 51 is a composite number because 51 has more than 2 factors.