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