420 has four prime factors. Prime factors don't usually travel in pairs.
If pairs of factors separate independently of other pairs of factors, you are dealing with the: Law of independent assortment
Factors go in pairs; prime factors are listed least to greatest. 2, 3 and 11
Factors: 1, 3, 9, 27. Pairs: (1,27);(3,9).
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)
40,120,210,48,5
3 pairs
Explaining how to find all factors pairs of 40 is easy. All you have to do is find which whole numbers 40 can be divided into.
40,=1,2,4,5,8,10,20 AND 40
420 has four prime factors. Prime factors don't usually travel in pairs.
Factors for 4 are: 1, 2, 4 It has 2 pairs = 1 * 4 or 2 * 2
There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).
(1, 80); (2, 40); (4, 20); (5, 16); (8, 10).
factors of 52
20 of them
4, if you multiply them.
If pairs of factors separate independently of other pairs of factors, you are dealing with the: Law of independent assortment