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