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Math Exercises: Divisibility of Natural Numbers

 

 

 

 

1. Write the first 20 prime numbers.

 

2. Determine whether the given number is divisible by 2, 3, 4, 5, 6, 9, 10 :

 

Divisibility of natural numbers - Exercise 2

 

3. Find the prime factorization of the number :

 

Divisibility of natural numbers - Exercise 3

 

4. Determine whether the given number is divisible by 2 :
220; 555; 27; 42; 63; 144; 1,236; 379; 11; 458; 810; 151; 75; 8; 7,894; 12; 71; 20; 12,547

 

5. Determine whether the given number is divisible by 3 :
729; 478; 213; 158; 2,142; 914; 13; 539; 441; 1,665; 110; 513; 943; 717; 436; 25,549; 17

 

6. Determine whether the given number is divisible by 4 :
214; 330; 174; 7,964; 88; 9,260; 51,422; 766; 684; 255; 94; 17; 552; 784; 5,550; 980; 730

 

7. Determine whether the given number is divisible by 5 :
515; 160; 461; 505; 723; 1,012; 420; 5,435; 28; 33; 6,130; 866; 262; 990; 102; 98; 1,165

 

8. Determine whether the given number is divisible by 6 :
518; 70; 94; 710; 1,446; 403; 868; 530; 960; 124; 89; 258; 961; 455; 2,010; 3,726; 15,470

 

9. Determine whether the given number is divisible by 8 :
28; 136; 600; 62; 850,808; 55; 1,608; 216,400; 816; 840; 754,940; 320; 464; 16,016; 864

 

10. Determine whether the given number is divisible by 9 :
600; 81; 3,330; 405; 9,034; 8,542; 9,339; 3,555; 75,870; 2,763; 480; 1,536; 12,521; 7,587

 

11. Determine whether the given number is divisible by 10 :
2,110; 5,000; 12,305; 1,000,000; 45,980; 102; 90; 11; 5,120; 3,000; 21,847; 32,110; 1,290

 

12. Determine whether the given number is divisible by 11 :
121; 605; 1,521; 946; 253; 78; 4,972; 6,941; 11,201; 2,057; 3,689; 2,167; 781; 14,641; 88

 

13. Determine whether the given number is divisible by 12 :
1,176; 1,440; 5,110; 9,870; 96; 132; 1,236; 846; 771; 598; 1,450; 1,595; 7,848; 122; 8,892

 

14. Determine whether the given number is divisible by 15 :
145; 975; 10,950; 52,080; 75,000; 4,682; 37; 90; 135; 487; 13,680; 615; 100; 50,625; 880

 

15. Determine whether the given number is divisible by 20 :
15,520; 145,560; 22; 48,125; 410; 80; 490; 10,340; 57; 740; 350; 6,000; 18,970; 413,560

 

 

 

 

 

 

You might be also interested in:

- Sets and Intervals

- Complex Numbers and Equations

- Common Multiple and Divisor

- Fractions and Decimals

 

 
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