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What is an example of a composite number?
12 is a composite number. Its factors are 1, 2, 3, 4, 6, and 12. 4 is also a composite number. Its factors are 1, 2, and 4. Any number that has factors in addition to 1 and itself is a composite number.
What is the lowest number under105 that has 4 prime factors?
There aren't any.
What composite number has three factors?
Any square of a prime number, like 9.
How do you know 4 is a factor of a number if eight is a factor?
Because 4 is a factor of 8. Any number that has 8 as a factor will also have 8's factors as factors.
What are fours factors?
Answer: The factors of the number '4' are 1, 2, and 4.
What are the Common factors of 0 and 4?
Zero is not a factor of 4. Zero is only a factor of zero! The factors of 4 are 1, 4, 2 The factors of zero are zero and any other number. Therefore the common factors are 1,2 and 4
Does any 3 digit number repeated to make a 6 digit number have to have at least 4 prime factors ex 359359 If yes then is there any pattern on how to figure that out?
abcabc=abc x 1001 1001 = 7 x 11 x 13 So such number as at least 4 prime factors: if abc is prime, then 4 factors only if abc is not prime then at least 4 factors
Is there a prime number that is a multiple of 21?
No, it is not possible. Every multiple of 21 is a composite number. 21 is a composite number and its factors are 1, 3, 7 and 21(4 factors). Any multiple of 21 must have all the factors of 21. So, every multiple of 21 has at least 4 factors. And a prime number has only two factors so, any multiple of 21 can't be prime.
What is the largest three digit number that has four factors?
If factors include 1 and the number itself then the any number (n) with only 4 factors has to be the product of two prime numbers, p1 and p2. The factors are then n, p1, p2, and 1. The largest 3-digit number with only 4 factors is 998. The factors are 998, 499, 2 and 1
What is a number with only four factors?
Any number that is the product of two primes (excluding itself and 1) has 4 factors. For example 21 has 4 factors: 1, 3, 7, 21; of which 3 and 7 are both prime.
What can 815 and 4 be divided by?
They can both be divided by any number except zero; the result will usually not be a whole number. If you mean what numbers divide exactly into them, ie what are their factors: The factors of 815 are 1, 5, 163, 815 The factors of 4 are 1, 2, 4 The common factors of 815 and 4 are 1 (only).
What is the common factor of 36 and 40?
A factor of a number is any number into which the original number can divide evenly. Thus the factors of 40 are: 1, 2, 4, 5, 8, 10, 20 and 40. The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18 and 36. The common factors are any numbers that show up in both lists. In this case, the common factors of 40 and 36 are 1, 2 and 4.
