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What are numbers with 3 or 5 factors called?
Numbers with 3 or 5 factors are called square numbers.
What is a number with no factors called?
Numbers without factors are PRIME Numbers. Taking the first ten numbers. 1,2,3,4,5,6,7,8,9,10. The prime numbers are 2,3,5,7, they have no factors. 4,6,8,9,10. Are not prime numbers as they have factors. 4 has a factor of '2' 6 has factors of '2 & 3'. 8 has factors of' 2 & 4'. or' 2,2,2.' 9 has factors of '3,3', 10 has factors of '2 5.' '1' is unique
What are the factors of 8 10 and 15?
I could tell you what all the factors of each of those 4 numbers are, but I am guessing you are asking for the common factors. Lets start with the prime factorization of each number: 10 is 2 * 5 8 is 23 12 is 22 * 3 15 is 3 * 5 So no prime factor is common to all 4 numbers. The only common factor is 1.
What is the answer of three numbers have 2 factors in math?
Prime numbers have two factors. 2, 3 and 5 are prime numbers.
What numbers have only four factors?
A number with two prime factors that are not the same will have only four factors. It will have 1, itself, and those two prime factors as its factors. Examples: 6 = 2 x 3. Its factors are 1, 2, 3, and 6. 15 = 3 x 5. Its factors are 1, 3, 5, and 15. 77 = 7 x 11. Its factors are 1, 7, 11, and 77. Counter-examples: 4 = 2 x 2. Its factors are 1, 2, and 4. 12 = 2 x 2 x 3. Its factors are 1, 2, 3, 4, 6, and 12. 30 = 2 x 3 x 5. Its factors are 1, 2, 3, 5, 6, 10, 15, and 30. 45 = 3 x 3 x 5. Its factors are 1, 3, 5, 9, 15, and 45.
