The average (arithmetic mean) is found by totaling the numbers and then dividing by the number of numbers.
For example:
3.1 + 8.1 + 5.1 + 7.1 + 3.1 + 4.1 = 30.6
then, 30.6 / 6 = 5.1
The average is 5.1.
71
Dissolving into prime divisors we get 16 = 24 14 = 21 * 71 12 = 22 * 31 10 = 21 * 51 8 = 23 6 = 21 * 31 Taking the greatest exponents for each prime, we get lcm(16,14,12,10,8,6) = 24 * 31 * 51 * 71 = 1680
40+31 41+30 42+29 43+28 44+27 45+26 these are some pairs of numbers that equal 71, although there 35 ways.
Twelve: 29 31 37 41 43 47 53 59 61 67 71 and 73.
30 and 41
It is: 1, 11, 21, 31, 41, 51, 61, 71, 81, and 91.
41 is prime. 51 is composite. 51=3 x 17 . 71 is prime. 81 is composite. 92 91 is composite. 91 = 7 × 13
10. They are 1, 11, 21, 31, 41, 51, 61, 71, 81, and 91.
It is: 31*51*71 = 105
105 = 31 x 51 x 71
71
31 41 61 71
He Learns: - Bite - Leer 11=ThunderShock 21=Roar 31=Quick Attack 41=Spark 51=Reflect 61=Chrunch 71=Thunder 81=Calm Mind
2-3, 3-5, 5-7, 11-13, 17-19, 29-31, 41-43, 59-61, 71-732-3, 3-5, 5-7, 11-13, 17-19, 29-31, 41-43, 59-61, 71-732-3, 3-5, 5-7, 11-13, 17-19, 29-31, 41-43, 59-61, 71-732-3, 3-5, 5-7, 11-13, 17-19, 29-31, 41-43, 59-61, 71-73
840 = 23 x 31 x 51 x 71
Dissolving into prime divisors we get 16 = 24 14 = 21 * 71 12 = 22 * 31 10 = 21 * 51 8 = 23 6 = 21 * 31 Taking the greatest exponents for each prime, we get lcm(16,14,12,10,8,6) = 24 * 31 * 51 * 71 = 1680
11, 31, 41, 61, 71