Every number is divisible by 21. Any element of the set of numbers of the form 21*k where k is an integer is evenly divisible.
Four factors
576, for one.
3969 satisfies those conditions.
Four: 1, 3, 7, 21.
Any multiple of 21.
1,3,7,21
1,3,7,21
four factors: 1, 3, 7, 21
To find what the factors of a number are you can list the factor pairs: 1 x 21 3 x 7 The factors of 21 are 1, 3, 7, and 21.
The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
The factors of 21 are: 1, 3, 7, 21 The factors of 23 are: 1, 23
The factors of 21 are: 1, 3, 7, 21 The factors of 51 are: 1, 3, 17, 51
The factors of 21 are :1,3,7,21
Any of its factors can go into 21 evenly which are: 1, 3, 7 and 21
four factors: 1, 3, 7, 21
Any of its factors which are: 1, 3, 7 and 21
They are: 1 3 7 and 21
To find what the factors of a number are you can list the factor pairs: 1 x 21 3 x 7 The factors of 21 are 1, 3, 7, and 21.
The number 21 has only four factors: 1, 3, 7, and 21. Many number have more than four factors. Among them are 1x2x3x4x5 = 120.
The factors of 21 are: 1,3,7, and 21.
The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70.
21
Other than the number 1, there are no positive integer common factors of 10 and 21.
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.