The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.
The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70 The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
The factors of 7 are: 1, 7 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
The factors of 21 are: 1, 3, 7, 21 The factors of 210 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70 The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The factors of 28 are: 1, 2, 4, 7, 14, 28 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
The factors of 21 are:1, 3, 7, 21The factors of 350 are:1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350The common factors are:1, 7
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70 The factors of 98 are: 1, 2, 7, 14, 49, 98
70 has 8 factors; 1,2,5,7,10,14,35 and 70.
21 is 70% of 30.
70% of 21 is 70 hundredths of 21. One hundredth of 21 is 0.21 (1/100 x 21 = 0.21) So 70 hundredths is 70 times as much. That's 0.21 x 70 = 1470