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Primary keys have to be numbers that are entered by the user.
Prime numbers r 3 and primary colors are red, blue, yellow
Primary numbers, also known as prime numbers, are numbers that are only divisible by 1 or itself. For instance, 1, 2, 3, 5 and 7 are primary numbers because dividing any of them by other numbers besides 1 or itself would produce a remainder. Non-primary numbers, such as 4, 6, 8 and 9 are known as composite numbers. They can be divided by multiples and reduced to lowest terms in fractions.
there are no combinations to create them that do not involve the prime numbers and/or primary colors themselves
soil
primary light colors are the mixed of red green and blue and pigment is solid colors
Compare means define so define both of the terms.
2
no
Prime numbers cannot be made up from multiplying other numbers. Primary colours cannot be made up from adding other colours.
A primary key can be alphanumeric, containing both letters and numbers.