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