I suppose you could use -42 twice.
-63 and -21
63 and 21 42 and 42 three twenty-eights four twenty-ones six fourteens seven twelves twelve sevens fourteen sixes twenty-one fours twenty-eight threes forty-two twos eighty-four ones
1764
Factors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764 Pairs: 1-1764 2-882 3-588 4-441 6-294 7-252 9-196 12-147 14-126 18- 98 21-84 36-49 42-42 63-28
By prime factoring 84 you get 2x2x7x3. These are all the factors of 84
1,2,4,7,8,14,28,and 56 are the factors of 56 1,2,3,4,6,7,12,14,21,28,42,and 84 are the factors of 84. wait did you mean 56 and 84 or the number 5684?
1848
1827
1680
42 x 42 = 1764 42 + 42 = 84
63 and 21 42 and 42 three twenty-eights four twenty-ones six fourteens seven twelves twelve sevens fourteen sixes twenty-one fours twenty-eight threes forty-two twos eighty-four ones
1764
327
Factors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764 Pairs: 1-1764 2-882 3-588 4-441 6-294 7-252 9-196 12-147 14-126 18- 98 21-84 36-49 42-42 63-28
91
42 and 42
1848
Peder Horrebow died on April 15, 1764 at the age of 84.