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