Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {25, 17, 12, 5, 15, 3} → ______
- Prime numbers in {17, 8, 3, 9, 7, 11} → ______
- Prime numbers in {8, 27, 12, 23, 19, 29} → ______
- Prime numbers in {17, 13, 19, 23, 7, 29} → ______
- Prime numbers in {23, 3, 29, 19, 7, 9} → ______
- Prime numbers in {23, 2, 5, 3, 15, 19} → ______
- Prime numbers in {7, 5, 21, 29, 25, 17} → ______
- Prime numbers in {7, 2, 9, 5, 27, 25} → ______
- Prime numbers in {9, 27, 19, 21, 13, 7} → ______
- Prime numbers in {27, 17, 12, 13, 5, 9} → ______
- Prime numbers in {15, 13, 17, 25, 29, 19} → ______
- Prime numbers in {21, 5, 13, 19, 17, 3} → ______
- Prime numbers in {12, 17, 11, 19, 21, 5} → ______
- Prime numbers in {15, 29, 3, 27, 12, 17} → ______
- Prime numbers in {9, 27, 8, 23, 3, 2} → ______
- Prime numbers in {23, 29, 17, 8, 15, 5} → ______
- Prime numbers in {3, 5, 9, 13, 12, 19} → ______
- Prime numbers in {12, 23, 15, 25, 3, 21} → ______
- Prime numbers in {23, 21, 11, 3, 5, 29} → ______
- Prime numbers in {5, 13, 25, 7, 9, 11} → ______