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Why is the number 743 a prime number?
743 has no factors other than 1 and itself. A prime number has only 2 factors which are 1 and itself. Composite numbers are every other positive integer except 1 and 0. 1 and 0 are neither prime, nor composite.
If the last digit is 0 then is 2 5 and 10 factors?
That is correct (unless the number IS 0)This is because any number that ends in 0 can be divided by 10 (e.g. 10, 20,100, 1864650). Since 10 is a factor of your number, and 2 and 5 are factors of 10, this means that 2, 5 and 10 must all be factors of your number.There may of course be other factors too like 30 has 3 as a factor also.Hope this helps
Is 3 a factor of 0?
No. It is a prime number, so its only factors are 1 and 3.
Is 71 is a prime?
Yes, 71 is a prime number because it has no other factors aside from 1 and itself.YES. 71 is a prime number.yes
What is a composite number and a prime?
A composite number has factors other than 1 and itself. A prime number has factors of 1 and itself only.Examples:4 is a composite number. Its factors are 1, 2, 4.23 is a prime number. It has no other factors aside for 1 and 23.
