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