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What is a positive divisor?
A divisor is another name for a factor. All counting numbers have divisors. In the equation 3 x 4 = 12, 3 and 4 are divisors of 12. -3 x -4 also equals 12, so some people distinguish between positive and negative divisors. A positive divisor is a divisor that is a positive number.
How do you determine the multiples of a fraction?
Multiply it by successive counting numbers.
Which of the numbers 31 41 51 and 61 is a composite number?
A composite number is a positive integer greater than 1 that has more than two distinct positive divisors. In this case, the number 51 is a composite number because it has divisors other than 1 and itself, such as 3 and 17. Numbers 31, 41, and 61 are all prime numbers, as they only have two distinct positive divisors, 1 and the number itself.
What do you call multiples that are shared by two or more numbers?
Those are known as "common multiples". The smallest POSITIVE of these common multiples is called the "least common multiple".
Which are the numbers which are neither prime nor composite and why?
All primes have two positive divisors. There are only two integers that are neither composite or prime and they are 1 and 0. The number 1 has only 1 positive divisor, itself. The number 0 has an infinite number of divisors.
Determine the number of positive common divisors of 23 522 400 and 64 496 250 numbers that are multiples of 10?
None of the positive common divisors of those numbers are multiples of 10.
How do you use divisors?
Divisors are used to divide numbers.
What is a positive divisor?
A divisor is another name for a factor. All counting numbers have divisors. In the equation 3 x 4 = 12, 3 and 4 are divisors of 12. -3 x -4 also equals 12, so some people distinguish between positive and negative divisors. A positive divisor is a divisor that is a positive number.
How do you determine the multiples of a fraction?
Multiply it by successive counting numbers.
What re prime numbers?
A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.
What are the common multiples of 2?
The multiples of 2 are all the positive even numbers. For them to be common, they need to be compared to another set of multiples.
Are these numbers composite 30 31 32 33 34 35 36 37 38 and 39?
31,37 are not composite
Is 1 and 2 prime?
No, neither 1 nor 2 are prime numbers. A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. 1 only has one positive divisor (1) and 2 has two positive divisors (1 and 2), so they are not prime.
What are the nonzero multiples for number 2?
They are the positive and negative even numbers.
Which of the numbers 31 41 51 and 61 is a composite number?
A composite number is a positive integer greater than 1 that has more than two distinct positive divisors. In this case, the number 51 is a composite number because it has divisors other than 1 and itself, such as 3 and 17. Numbers 31, 41, and 61 are all prime numbers, as they only have two distinct positive divisors, 1 and the number itself.
What are all the multiples of negative numbers?
The same way as finding factors of positive numbers but the answer includes both the positive and negative factors.
What is another name for Multiples of Two?
Doubles. * * * * * [Positive] Even numbers. Normally negative numbers are not counted amongst the multiples of a number.
