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