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What are factors and primes?
Factors are whole numbers that divide exactly into a whole number. These numbers have no remainder. Primes, on the other hand, have exactly two factors which are 1 and itself.
How many whole numbers use exactly two digits?
90
Which are add numbers?
Odd numbers are those that cannot be evenly split into two equal amounts of whole numbers. For instance, 4 can be split into two equal amounts of 2; 6 can be split into 3. These are called "Even" numbers because they can be split into even (or equal) amounts. An odd number like 1, or 3, or 5, or 7 and so on cannot be split into two equal amounts of whole numbers. They are called, "odd" numbers simply because they are not 'Even' numbers. They could have been called, "Uneven" numbers, but a shorter word seemed easier. Odd, isn't it.
Find two whole numbers which divide exactly by 2and by 3and by 4?
12 and 24
How many whole numbers are there between ten and 200 have exactly two identical digits?
27
What is the name of a whole number that has exactly two factors?
A whole number that has exactly two factors is called a prime number. There are several examples of prime numbers, such as 3, 5, 7, 11, 13, 17, and 19. These are just a few of the thousands of prime numbers.
What is the least common multiple for the numbers 10?
None. The LCM (least common multiple) is the smallest positive whole number exactly divisible by two or more whole numbers.
What are numbers with a least common multiple of 35?
None. The LCM (least common multiple) is the smallest positive whole number exactly divisible by two or more whole numbers.
What is the least common multiple of 72?
None. The LCM (least common multiple) is the smallest positive whole number exactly divisible by two or more whole numbers.
What is the sum of the two smallest whole numbers that each has exactly three distinct positive factors?
4 and 9
How many numbers have exactly two factors?
Prime numbers have exactly two numbers. There is theoretically an infinite number of them.
What is the term for numbers that have exactly two factors?
Prime numbers are the numbers that have exactly two factors.Prime numbers have only two factors, the number one and themselves.
