Just number 16.
16 = 2 ∙ 2 ∙ 2 ∙ 2
Draw a number line and show all numbers that …
… are between 1 and 20 and have exactly 4 factors
5 answers
That was prime factorisation.
But if you use all numbers 1 ÷ 20 then:
6
1 , 2 , 3 , 6
8
1 , 2 , 4 , 8
10
1 , 2 , 5 , 10
14
1 , 2 , 7 , 4
But if you use all numbers 1 ÷ 20 then:
6
1 , 2 , 3 , 6
8
1 , 2 , 4 , 8
10
1 , 2 , 5 , 10
14
1 , 2 , 7 , 4
you forgot 15
Hey bros! Wanted to shout out some of you epic viewers!
Hey there gamers
1 answer