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