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