Multiples And Factors (GCF, LCM)
Gbogbo ọrọ náà
Break any whole number apart and you find the prime numbers hiding inside it. This prime fingerprint is unique to every number, and it is the key to two of the most useful ideas in arithmetic: the greatest common factor that two numbers share, and the least common multiple at which their times tables first meet.
In this lesson you will write numbers as products of their prime factors, then use that factorization to find the GCF and LCM quickly and reliably. These skills cancel fractions to their simplest form, add fractions with different denominators, and solve a host of timing and grouping problems.
Ebumnobi
- Find the greatest common factor (GCF) and least common multiple (LCM) of two or more numbers, including by prime factorization.
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Multiples And Factors (GCF, LCM). Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- What is the prime factorization of 60? A. 2 x 3 x 10 B. 2^2 x 3 x 5 C. 2 x 30 D. 4 x 15 Answer: B
- What is the GCF of 24 and 60? A. 6 B. 8 C. 12 D. 120 Answer: C
- What is the LCM of 24 and 60? A. 12 B. 60 C. 120 D. 1440 Answer: C
- Which of these is a multiple of 4? A. 6 B. 10 C. 14 D. 16 Answer: D
- Two bells ring every 6 and 8 minutes. After how many minutes do they next ring together? A. 2 B. 14 C. 24 D. 48 Answer: C
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Akụkụ akwụkwọ
Prime Factorization and the Least Common Multiple
Find the prime factorization of a composite number
"Prealgebra: Prime Factorization and the Least Common Multiple" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/2-5-prime-factorization-and-the-least-common-multiple. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
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Akụkụ akwụkwọ
Introduction to Factoring Polynomials
Find the greatest common factor of two or more expressions
"Prealgebra: Introduction to Factoring Polynomials" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/10-6-introduction-to-factoring-polynomials. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
Ndị otu ndị ọzọ bipụtara ha n'okpuru ikike mepere emepe, anyị na-ekele ha dị ka ha si chọọ. Njikọ na-emepe saịtị ha.
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Multiples And Factors (GCF, LCM)? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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