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