non-prime number
noun [ C ] mathematics specialized (also UK non prime number, also mainly US nonprime number) uk/ˌnɒn.praɪm ˈnʌm.bər/ us/nɑːnˌpraɪm ˈnʌm.bɚ/
非质数
a number that is not a prime number (= a number that cannot be divided by any other number except itself and the number 1)
Non-prime numbers are divisible by more than two numbers.
Any non prime number can be written as a product of prime numbers. 任何非质数都可以被写成质数的乘积。
Euclid called nonprime numbers "composites."
Synonym: composite number
Compare: prime number
- More examples
- A non-prime number greater than 1 is called a composite number.
- What's the longest known sequence of non-prime numbers?
- All nonprime numbers less than 100 have a factor that is less than 10.