Factor tree for 49:49/ \7 x 7497,7
133 7 x 19 Both 7 and 19 are prime numbers, so the factor tree is complete.
245 5, 49 5, 7, 7
it is ^ ^ 21 5 ^ 7 3
3-3-5-7
Factor tree for 49:49/ \7 x 7497,7
You cannot really make a factor tree for 7 because it is already a prime number.
133 7 x 19 Both 7 and 19 are prime numbers, so the factor tree is complete.
39 3,13
7 is prime. No tree. On the off chance you meant 72... 72 2,36 2,2,18 2,2,2,9 2,2,2,3,3
3*3*7
21/ \7 3
14 2, 7
982, 492, 7, 7or982, 492, 7, 7
49 * 3 or 7 * 217 * 7 * 3
245 5, 49 5, 7, 7
3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.