Integer Properties Flashcards
1
Q
Primes below 60
A
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59
2
Q
Rebuilding the Dividend Formula
A
D = S * Q + r
3
Q
11 Square
A
121
4
Q
12 Square
A
144
5
Q
13 Square
A
169
6
Q
14 Square
A
196
7
Q
15 Square
A
225
8
Q
LCM and GCF formula
A
LCM = (P * Q) / GCF
9
Q
16 Square
A
256
10
Q
17 Square
A
289
11
Q
18 Square
A
324
12
Q
19 Square
A
361
13
Q
20 Square
A
400
14
Q
even +/- even
A
even
15
Q
even +/- odd
A
odd
16
Q
odd +/- odd
A
even
17
Q
even * even
A
even
18
Q
even * odd
A
even
19
Q
odd * odd
A
odd
20
Q
The sum of a series of integers
A
[n(n+1)] / 2
21
Q
combinations formula
A
nCr = n!/r!(n-r!)
22
Q
odd^any = ?
A
odd^any = odd
