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 {12, 8, 3, 23, 17, 5} → ______
- Prime numbers in {8, 3, 29, 2, 21, 13} → ______
- Prime numbers in {17, 25, 13, 27, 5, 19} → ______
- Prime numbers in {19, 5, 11, 13, 21, 17} → ______
- Prime numbers in {23, 9, 8, 11, 19, 13} → ______
- Prime numbers in {29, 23, 12, 8, 13, 11} → ______
- Prime numbers in {5, 29, 25, 17, 23, 3} → ______
- Prime numbers in {23, 29, 11, 5, 21, 27} → ______
- Prime numbers in {8, 3, 11, 15, 27, 21} → ______
- Prime numbers in {3, 21, 23, 19, 7, 27} → ______
- Prime numbers in {5, 9, 2, 19, 8, 7} → ______
- Prime numbers in {17, 13, 8, 3, 2, 9} → ______
- Prime numbers in {21, 15, 23, 9, 29, 12} → ______
- Prime numbers in {27, 29, 8, 9, 15, 3} → ______
- Prime numbers in {21, 27, 17, 12, 9, 3} → ______
- Prime numbers in {9, 11, 25, 7, 13, 21} → ______
- Prime numbers in {29, 2, 3, 17, 12, 11} → ______
- Prime numbers in {17, 29, 27, 25, 13, 21} → ______
- Prime numbers in {2, 17, 15, 12, 25, 27} → ______
- Prime numbers in {23, 7, 13, 8, 15, 9} → ______