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