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