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