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