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Composite Numbers
Composite Numbers are some special numbers which have more than 2 factors which consists of at least 1 prime factor.They are often referred as Non-prime Numbers.
4,066 Questions
How many composite numbers 1-1000?
Of the 1,000 numbers from 1 to 1,000, 168 are primes and one (the number 1) is neither composite nor prime. Subtracting the 169 numbers that are not composites leaves 831 composuite numbers from 1 to 1,000 (1,000 - 169 = 831).
What is a difference between a composite number and a prime?
The difference is that a prime number only has two factors that's one and itself, a composite has more factors than one and itself.
Since the number is even and greater than 2, 308 is divisible by 2 and therefore composite. Its positive integer factors are:
1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308
What is a composite number between 40 and 50?
These are the composite numbers between 40 and 50: 42 45 46 48 49.
Is the factors of 10 prime composite or neither?
the factors of 10 is 2 and 5
both are prime numbers - jet
What is the prime or composite number of 67?
67 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
It is a composite number because it has more than two factors
What is the product of the first 3 composite numbers?
The first three composite numbers are 4, 6, and 8.
8 x 6 x 4 = 192
Why are all whole number with 5 in the ones place composite?
All whole numbers with 5 in the ones place are composite because they can be divided evenly by 5 and 1, which are factors other than 1 and the number itself. For example, the number 15 can be divided by 1, 3, 5, and 15. This property of being divisible by factors other than 1 and itself is what defines a composite number.
What composite numbers less than 20 have more than 5 factors?
composite numbers less than 20 which have more than 5 factors = 12 & 18 composite numbers less than 20: 4, 6, 8, 9, 10, 12, 14, 16, 18
Factors of:
4 = 1, 2, 4
6 = 1, 2, 3, 6
8 = 1, 2, 4, 8
9 = 1, 3, 9
10 = 1, 2, 5, 10
12 = 1, 2, 3, 4, 6, 12
14 = 1, 2, 7, 14
16 = 1, 2, 4, 16
18 = 1, 2, 3, 6, 9, 18
thus 12 & 18 have more than 5 factors.
What are the composite numbers less than 1500?
The list of non-composite numbers (being shorter) is easier to print. Composite numbers are the ones not on this list:
1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251 257 263 269 271 277 281 283 293 307 311 313 317 331 337 347 349 353 359 367 373 379 383 389 397 401 409 419 421 431 433 439 443 449 457 461 463 467 479 487 491 499 503 509 521 523 541 547 557 563 569 571 577 587 593 599 601 607 613 617 619 631 641 643 647 653 659 661 673 677 683 691 701 709 719 727 733 739 743 751 757 761 769 773 787 797 809 811 821 823 827 829 839 853 857 859 863 877 881 883 887 907 911 919 929 937 941 947 953 967 971 977 983 991 997 1009 1013 1019 1021 1031 1033 1039 1049 1051 1061 1063 1069 1087 1091 1093 1097 1103 1109 1117 1123 1129 1151 1153 1163 1171 1181 1187 1193 1201 1213 1217 1223 1229 1231 1237 1249 1259 1277 1279 1283 1289 1291 1297 1301 1303 1307 1319 1321 1327 1361 1367 1373 1381 1399 1409 1423 1427 1429 1433 1439 1447 1451 1453 1459 1471 1481 1483 1487 1489 1493 1499
Is 88 a composite number or prime number?
88 is a composite number because it is an even number. All numbers greater than 8 and less than 100 are composites if they are even numbers, if they are multiples of 3 or 7, or if they end in 5 or 0.
Which numbers between 20 and 30 have the greatest number of factors?
If you include 30, both 24 and and 30 have 8 factors, the most in that range.
oddcomposite:sum( f(factor(2*k+1))* (primep(2*k+1)-true)/(false-true),k,2,50);
f(99)+f(95)+f(93)+f(91)+f(87)+f(85)+f(81)+f(77)+f(75)+f(69)+f(65)+f(63)+f(57)+f(55)+f(51)+f(49)+f(45)+f(39)+f(35)+f(33)+f(27)+f(25)+f(21)+f(15)+f(9)
conributed by Huen Y.K.
cosmology@pacific.net.sg
What are the 3 undefined terms in geometry and their definition?
Points, lines & planes.
Point - a dot on a page. A point has no dimensions (length, width, height), it is usually represent by a capital letter and a dot on a page. Think of it as an infinitely small place or position on a map.
Line - an unlimited number of points along the same path. The set of points may be straight or form a curve. Normally, the term 'line' means a straight line. The 'line' has no dimensions (length, width, height) and extends unlimited in both directions. (The part of a line defined by two points, called 'endpoints', is call a line segment or 'segment'.) A 'line' is represented by a drawn line with arrowheads on each end to represent that it doesn't have endpoints. A line can be named in two ways: (1) use the capital letters representing two points on the line and place a double-headed arrow above the two letters (2) use a lowercase letter beside the line to represent it.
Plane - a flat surface that extends indefinitely in all directions. It is usually represented by a parallelogram (four sided figure) with a capital letter in one corner. Remember the plane is not limited by the parallelogram, it extends infinitely. The plane can also be represented by using three points that lie on the plane surface but not on the same line (noncollinear).
What is the name of Eratosthenes' method of finding composite numbers?
Eratosthenes' method of finding prime and composite number is called 'The Sieve of Eratosthene'.
What is prime and composite numbers mean?
Prime numbers are numbers with only two factors. Composite numbers are numbers with more than two factors.
