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