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