Factors for 4 are: 1, 2, 4
It has 2 pairs = 1 * 4 or 2 * 2
The number 4 has two factor pairs. 1 x 4 and 2 x 2
3 pairs
3 pairs of factors. They are: 1 and 20 2 and 10 4 and 5 Pairs of factors are numbers that you multiply together to make that number, e.g. 4x5=20. Trust me I'm a teacher!
The factors of 40 are: 1 2 4 5 8 10 20 40 The prime factors are: 2 x 2 x 2 x 5 Answer: 4
420 has four prime factors. Prime factors don't usually travel in pairs.
How they're listed. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
1 x 4 = 4 2 x 2 = 4
All numbers have factors. It is possible to list them as pairs. The factors of 12 are 1, 2, 3, 4, 6 and 12. The factor pairs of 12 are (12,1)(6,2)(4,3)
2x2 and 2x4
(4,1)(2,2) (6,1)(3,2
No because its factors are: 1, 2, 4, 8 and 16 which makes five of them
If you are talking about factors, which are the multiple pairs of a number. The factors of twelve would be 1 and 12, 2 and 6, and 3 and 4