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Q: What is an odd number that is smaller than 160 and has three different prime numbers?

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You could try dividing by composite numbers but the number that you are testing is divisible by a composite number, then it will be divisible by a prime factor of that composite number and that prime factor will be smaller. It is always easier to work with smaller numbers.

No. That isn't possible: A prime number, by definition, has no smaller factors. A square number does have a smaller factor - the number that is squared.

No. Odd numbers can be greater than, smaller than, or equal to prime numbers.

the least number is 210 which is divisible by four different prime numbers.

Usually, but not necessarily and not if they're prime. All prime numbers have the same number of factors.

Usually, but not necessarily and not if they're prime. All prime numbers have the same number of factors.

None. There is only one number in 500. That number is "500" and it is not a prime number.There are 94 prime numbers that are smaller than 500.

Since there are an infinite number of prime numbers, there are infinite numbers with any given number of prime factors.

Because no numbers smaller than two are prime.

A composite number. (If they are different numbers, keep in mind 1 is not a prime number)

You go through each number, starting with 2, 3, 4, ... and check if the number has any smaller factors. If it has no smaller factors, you conclude it is a prime number. Continue until you have 10 prime numbers.

Keep dividing the original number by smaller prime numbers until the results are all prime.

a type of array for prime and composite numbers. it is a tree which is divided into smaller and smaller prime numbers. usually at the end of the prime tree there is 2 or more (preferably less than 10) numbers. those numbers usually include 2,3,5,or7

Then it is called a "composite number". A composite number has smaller prime numbers as its factors; for example, 6 = 2 x 3.

A prime number is a positive integer that can't be divided into smaller positive integers. Its only positive factors are one, and the number itself. (One is usually not considered a prime number.) A composite number is one that does have smaller prime factors. For example, 2, 3, 5, 7, 11, 13 are prime numbers. 4 = 2x2, 6=2x3, 9=3x3 are composite numbers.

15

A prime number is only divisible by itself and the number one. Prime numbers have to be odd (except for the number 2, which is prime). So smaller numbers like 7 are usually pretty easy to determine if they are prime. But the higher the number value gets, the more complicated it is to determine. So people post a list of prime numbers on the internet so you'll know what the prime numbers are.

105105 is divisible by 5 different prime numbers.

No.

210

2 222 223

A positive whole number that is not prime is either unity (1) or composite. A composite number has smaller prime numbers as its factors; for example, 6 = 2 x 3.

If the numbers are prime numbers, the prime factor of each number is the number itself. If the numbers are not prime numbers, the prime factors of each number are each of the prime numbers by which the number in question can be divided without a remainder.

Multiples of prime numbers are not prime numbers.

With math, numbers is a very interesting concept. There are different types of numbers such as prime number, composite number and so on. The concept of prime numbers is explained below which is included in the study of maths and numbers. A prime number is a number that has no factors besides the number one and itself! for example: 3 no numbers go into it except 3 and 1 The prime numbers are the numbers which are divided by the number itself and 1.1 is not a prime numbers and 2 is the only even number.To know about the prime numbers in math you can see the below link as i get some thing good explanation about the prime numbers.