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