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All whole numbers with 5 in the ones place are composite because they can be divided evenly by 5 and 1, which are factors other than 1 and the number itself. For example, the number 15 can be divided by 1, 3, 5, and 15. This property of being divisible by factors other than 1 and itself is what defines a composite number.
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Is 605 a prime number or a composite number?
It is a composite number, not a prime number.
Are all numbers that have a 2 in the ones place composite numbers?
Yes, all numbers that have 2 in the one's place are composite numbers. In fact, all even numbers except for 2 itself are composite numbers.
Are all numbers that have 2 in the ones place composite?
Yes except for 2 on its own which is the only even prime number
What is 4.77 to the nearest whole number?
When rounding 4.77 to the nearest whole number, you look at the decimal place immediately to the right of the ones place, which is 7. Since 7 is 5 or greater, you round the number up to the next whole number. Therefore, 4.77 rounded to the nearest whole number is 5.
Are all numbers with a 0 in the ones place a composite numbers?
Yes. All numbers with 0 in the one's column are composite, having at least the factors of 1, 2, 5, and itself. The number 0 is also composite, having all numbers as factors.
