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Any product of 2 prime numbers will have 4 factors. Any Prime number to the 3rd power will have 4 factors.
6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95
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What numbers under 100 have 12 factors?
Numbers under 100 that have 12 factors must be in the form of ( p_1^{11} ) or ( p_1^3 \times p_2^2 ), where ( p_1 ) and ( p_2 ) are distinct prime numbers. The prime factorization of 12 is ( 2^2 \times 3 ). Thus, the numbers under 100 with exactly 12 factors are ( 2^{11} = 2048 ) and ( 2^3 \times 3 = 24 ).
What are 3 numbers less than 100 that have exactly 4 factors each?
6 (1,2,3,6) 10 (1,2,5,10) and 15 (1,3,5,15).
How many even numbers between 1 and 1000?
There are exactly 50 even numbers if you include 100. There are exactly 50 odd numbers if you include 1.
Which numbers less than 100 have exactly 12 distinct factors?
24edit: nonethe smallest number with 12 distinct factors would be2*3*5*7*11*13*17*19*23*29*31*37>>100
Numbers between 1 and 100 with 3 factors?
4, 9, 25, and 49 are all of the numbers between 1 and 100 having 3 factors.
What number under 100 has 11 factors?
There are five numbers in that range with 12 factors, but none with exactly eleven.
What numbers have exactly 5 factors under 100?
16 and 81 are the only two.
What are all the numbers less than 100 with exactly 3 factors that are prime?
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
Why are there 25 prime numbers from 1-100?
Each of the 25 prime numbers from 1 to 100 has exactly two factors, 1 and the number itself. The other 75 numbers from 1 to 100 are not prime numbers because none of them have exactly two factors.
What are the numbers under 100 with exactly 3 factors?
4 (4,2,1) 9 (9,3,1) 25 (25,5,1) 49 (49,7,1) i think that is it...
What numbers under 100 have 12 factors?
Numbers under 100 that have 12 factors must be in the form of ( p_1^{11} ) or ( p_1^3 \times p_2^2 ), where ( p_1 ) and ( p_2 ) are distinct prime numbers. The prime factorization of 12 is ( 2^2 \times 3 ). Thus, the numbers under 100 with exactly 12 factors are ( 2^{11} = 2048 ) and ( 2^3 \times 3 = 24 ).
What are the 3 numbers that are under 100 that have 4 factors exactly?
There are a lot more than three! 6 (1,2,3,6) 10 (1,2,5,10) 15 (1,3,5,15)
What three numbers between 1 and 100 have eleven factors?
No numbers between 1 and 100 have exactly eleven factors. 60, 72, 84, 90 and 96 each have twelve factors.
Numbers 1-100 that have exactly 3 FACTORS?
4, 9, 25 and 49.
Numbers between fifty and one-hundred with nine factors?
In that range, only 100 has exactly 9 factors.
What numbers greater than 100 have three factors?
Numbers having exactly three factors are the squares of prime numbers. Examples of these numbers greater than 100 are 121, 169, 289, 361, 529, 841, etc.
How many numbers less than 100 have exactly nine distinct factors?
Just 36.
