1 x 210, 2 x 105, 3 x 70, 5 x 42, 6 x 35, 7 x 30, 10 x 21, 14 x 15, 15 x 14, 21 x 10, 30 x 7, 35 x 6, 42 x 5, 70 x 3, 105 x 2, 210 x 1
18690
972
2x25
210. The quickest way to answer this question is to multiply all the number together.
How about: 45 = 20 or 210 = 20
Yes.
21 multiply by 10 = 210
221
18690
2 x 105 3 x 70 5 x 42 6 x 35
They can be: 6*5*7 = 210
972
2x25
210. The quickest way to answer this question is to multiply all the number together.
2 and 210
How about: 45 = 20 or 210 = 20
210