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